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Ported FunctionPointerSuggestion

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This commit is contained in:
IQuant 2023-02-23 16:38:12 +03:00
parent be8e5ba157
commit 37f55691f4
3 changed files with 75 additions and 21 deletions
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60
compiler/rustc_infer/src/errors/mod.rs
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@ -1157,3 +1157,63 @@ pub struct OpaqueCapturesLifetime<'tcx> {
pub opaque_ty_span: Span,
pub opaque_ty: Ty<'tcx>,
}
#[derive(Subdiagnostic)]
pub enum FunctionPointerSuggestion<'a> {
#[suggestion(
infer_fps_use_ref,
code = "&{fn_name}",
style = "verbose",
applicability = "maybe-incorrect"
)]
UseRef {
#[primary_span]
span: Span,
#[skip_arg]
fn_name: String,
},
#[suggestion(
infer_fps_remove_ref,
code = "{fn_name}",
style = "verbose",
applicability = "maybe-incorrect"
)]
RemoveRef {
#[primary_span]
span: Span,
#[skip_arg]
fn_name: String,
},
#[suggestion(
infer_fps_cast,
code = "&({fn_name} as {sig})",
style = "verbose",
applicability = "maybe-incorrect"
)]
CastRef {
#[primary_span]
span: Span,
#[skip_arg]
fn_name: String,
#[skip_arg]
sig: Binder<'a, FnSig<'a>>,
},
#[suggestion(
infer_fps_cast,
code = "{fn_name} as {sig}",
style = "verbose",
applicability = "maybe-incorrect"
)]
Cast {
#[primary_span]
span: Span,
#[skip_arg]
fn_name: String,
#[skip_arg]
sig: Binder<'a, FnSig<'a>>,
},
}
#[derive(Subdiagnostic)]
#[note(infer_fps_items_are_distinct)]
pub struct FnItemsAreDistinct;