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non_local_defs: improve some notes around trait, bounds, consts

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- Restrict const-anon exception diag to relevant places
 - Invoke bounds (and type-inference) in non_local_defs
 - Specialize diagnostic for impl without Trait
This commit is contained in:
Urgau 2024-05-13 20:15:57 +02:00
parent 06c6a2d9d6
commit de1c122950
12 changed files with 141 additions and 128 deletions
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6
compiler/rustc_lint/messages.ftl
View file

@ -548,8 +548,10 @@ lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks sho
[one] `{$body_name}`
*[other] `{$body_name}` and up {$depth} bodies
}
.non_local = an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
.exception = one exception to the rule are anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type
.without_trait = methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
.with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
.bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
.exception = anon-const (`const _: () = {"{"} ... {"}"}`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
.const_anon = use a const-anon item to suppress this lint
lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module

18
compiler/rustc_lint/src/lints.rs
View file

@ -1335,7 +1335,8 @@ pub enum NonLocalDefinitionsDiag {
body_kind_descr: &'static str,
body_name: String,
cargo_update: Option<NonLocalDefinitionsCargoUpdateNote>,
const_anon: Option<Span>,
const_anon: Option<Option<Span>>,
has_trait: bool,
},
MacroRules {
depth: u32,
@ -1356,6 +1357,7 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag {
body_name,
cargo_update,
const_anon,
has_trait,
} => {
diag.primary_message(fluent::lint_non_local_definitions_impl);
diag.arg("depth", depth);
@ -1363,13 +1365,18 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag {
diag.arg("body_name", body_name);
diag.help(fluent::lint_help);
diag.note(fluent::lint_non_local);
diag.note(fluent::lint_exception);
diag.note(fluent::lint_non_local_definitions_deprecation);
if has_trait {
diag.note(fluent::lint_bounds);
diag.note(fluent::lint_with_trait);
} else {
diag.note(fluent::lint_without_trait);
}
if let Some(cargo_update) = cargo_update {
diag.subdiagnostic(&diag.dcx, cargo_update);
}
if let Some(const_anon) = const_anon {
diag.note(fluent::lint_exception);
if let Some(const_anon) = const_anon {
diag.span_suggestion(
const_anon,
@ -1379,6 +1386,9 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag {
);
}
}
diag.note(fluent::lint_non_local_definitions_deprecation);
}
NonLocalDefinitionsDiag::MacroRules {
depth,
body_kind_descr,

9
compiler/rustc_lint/src/non_local_def.rs
View file

@ -202,8 +202,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions {
// Get the span of the parent const item ident (if it's a not a const anon).
//
// Used to suggest changing the const item to a const anon.
let span_for_const_anon_suggestion = if self.body_depth == 1
&& parent_def_kind == DefKind::Const
let span_for_const_anon_suggestion = if parent_def_kind == DefKind::Const
&& parent_opt_item_name != Some(kw::Underscore)
&& let Some(parent) = parent.as_local()
&& let Node::Item(item) = cx.tcx.hir_node_by_def_id(parent)
@ -215,6 +214,9 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions {
None
};
let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. })
.then_some(span_for_const_anon_suggestion);
cx.emit_span_lint(
NON_LOCAL_DEFINITIONS,
item.span,
@ -225,7 +227,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions {
.map(|s| s.to_ident_string())
.unwrap_or_else(|| "<unnameable>".to_string()),
cargo_update: cargo_update(),
const_anon: span_for_const_anon_suggestion,
const_anon,
has_trait: impl_.of_trait.is_some(),
},
)
}

7
tests/ui/lint/non-local-defs/cargo-update.stderr
View file

@ -5,10 +5,11 @@ LL | non_local_macro::non_local_impl!(LocalStruct);
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant `_IMPL_DEBUG`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro`
= note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
= note: this warning originates in the macro `non_local_macro::non_local_impl` (in Nightly builds, run with -Z macro-backtrace for more info)

33
tests/ui/lint/non-local-defs/consts.stderr
View file

@ -8,8 +8,9 @@ LL | impl Uto for &Test {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant `Z`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -20,8 +21,9 @@ LL | impl Uto2 for Test {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current static `A`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -31,8 +33,9 @@ LL | impl Uto3 for Test {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant `B`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -45,8 +48,7 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -59,8 +61,7 @@ LL | | }
| |_________^
|
= help: move this `impl` block outside the of the current inline constant `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -73,8 +74,8 @@ LL | | }
| |_________^
|
= help: move this `impl` block outside the of the current constant `_` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type are consider to be transparent regarding the nesting level
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -84,8 +85,8 @@ LL | impl Uto9 for Test {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current closure `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -95,8 +96,8 @@ LL | impl Uto10 for Test {}
| ^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 8 warnings emitted

24
tests/ui/lint/non-local-defs/exhaustive-trait.stderr
View file

@ -10,8 +10,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -27,8 +27,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -43,8 +43,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -59,8 +59,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -75,8 +75,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -91,8 +91,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 6 warnings emitted

77
tests/ui/lint/non-local-defs/exhaustive.stderr
View file

@ -8,8 +8,7 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -25,8 +24,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -36,8 +35,7 @@ LL | impl dyn Trait {}
| ^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -47,8 +45,8 @@ LL | impl<T: Trait> Trait for Vec<T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -58,8 +56,8 @@ LL | impl Trait for &dyn Trait {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -69,8 +67,8 @@ LL | impl Trait for *mut Test {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -80,8 +78,8 @@ LL | impl Trait for *mut [Test] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -91,8 +89,8 @@ LL | impl Trait for [Test; 8] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -102,8 +100,8 @@ LL | impl Trait for (Test,) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -113,8 +111,8 @@ LL | impl Trait for fn(Test) -> () {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -124,8 +122,8 @@ LL | impl Trait for fn() -> Test {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -135,8 +133,8 @@ LL | impl Trait for Test {}
| ^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current closure `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -146,8 +144,8 @@ LL | impl Trait for *mut InsideMain {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -157,8 +155,8 @@ LL | impl Trait for *mut [InsideMain] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -168,8 +166,8 @@ LL | impl Trait for [InsideMain; 8] {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -179,8 +177,8 @@ LL | impl Trait for (InsideMain,) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -190,8 +188,8 @@ LL | impl Trait for fn(InsideMain) -> () {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -201,8 +199,8 @@ LL | impl Trait for fn() -> InsideMain {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -217,8 +215,8 @@ LL | | }
| |_________^
|
= help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -231,8 +229,7 @@ LL | | }
| |_________^
|
= help: move this `impl` block outside the of the current function `inside_inside` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 20 warnings emitted

20
tests/ui/lint/non-local-defs/from-local-for-global.stderr
View file

@ -10,8 +10,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -27,8 +27,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -38,8 +38,8 @@ LL | impl StillNonLocal for &Foo {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `only_global`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -54,8 +54,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `same_function`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -70,8 +70,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `same_function`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 5 warnings emitted

32
tests/ui/lint/non-local-defs/generics.stderr
View file

@ -5,8 +5,8 @@ LL | impl<T: Local> Global for Vec<T> { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -17,8 +17,8 @@ LL | impl Uto7 for Test where Local: std::any::Any {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `bad`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -28,8 +28,8 @@ LL | impl<T> Uto8 for T {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `bad`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -44,8 +44,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `fun`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -58,8 +58,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `meow`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -74,8 +74,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `fun2`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -90,8 +90,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `rawr`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -106,8 +106,8 @@ LL | | }
| |_____^
|
= help: move this `impl` block outside the of the current function `rawr`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 8 warnings emitted

4
tests/ui/lint/non-local-defs/inside-macro_rules.stderr
View file

@ -8,8 +8,8 @@ LL | m!();
| ---- in this macro invocation
|
= help: move this `impl` block outside the of the current function `my_func`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
= note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info)

4
tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr
View file

@ -5,8 +5,8 @@ LL | impl Test for &Local {}
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current function `main`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default

23
tests/ui/lint/non-local-defs/weird-exprs.stderr
View file

@ -5,8 +5,8 @@ LL | impl Uto for *mut Test {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
= note: `#[warn(non_local_definitions)]` on by default
@ -17,8 +17,8 @@ LL | impl Uto for Test {}
| ^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>`
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -31,8 +31,7 @@ LL | | }
| |_________^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: methods and assoc const are still usable outside the current expression, only `impl Local` and `impl dyn Local` are local and only if the `Local` type is at the same nesting as the `impl` block
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -42,8 +41,8 @@ LL | impl Uto for &Test {}
| ^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -53,8 +52,8 @@ LL | impl Uto for &(Test,) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
@ -64,8 +63,8 @@ LL | impl Uto for &(Test,Test) {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: move this `impl` block outside the of the current constant expression `<unnameable>` and up 2 bodies
= note: an `impl` definition is non-local if it is nested inside an item and may impact type checking outside of that item. This can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: one exception to the rule are anon-const (`const _: () = { ... }`) at top-level module and anon-const at the same nesting as the trait or type
= note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type
= note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
= note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue <https://github.com/rust-lang/rust/issues/120363>
warning: 6 warnings emitted