bjoernager/rust
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Rework diagnostics for wrong number of generic args

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Patryk Wychowaniec 2021-01-02 19:45:11 +01:00
parent 34628e5b53
commit d2f8e398f1
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GPG key ID: F62547D075E09767
121 changed files with 2787 additions and 766 deletions
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11
compiler/rustc_ast/src/ast.rs
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@ -242,12 +242,21 @@ impl Into<Option<P<GenericArgs>>> for ParenthesizedArgs {
/// A path like `Foo(A, B) -> C`.
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct ParenthesizedArgs {
/// Overall span
/// ```text
/// Foo(A, B) -> C
/// ^^^^^^^^^^^^^^
/// ```
pub span: Span,
/// `(A, B)`
pub inputs: Vec<P<Ty>>,
/// ```text
/// Foo(A, B) -> C
/// ^^^^^^
/// ```
pub inputs_span: Span,
/// `C`
pub output: FnRetTy,
}

1
compiler/rustc_ast/src/lib.rs
View file

@ -13,6 +13,7 @@
#![feature(const_fn_transmute)]
#![feature(const_panic)]
#![feature(crate_visibility_modifier)]
#![feature(iterator_fold_self)]
#![feature(label_break_value)]
#![feature(nll)]
#![feature(or_patterns)]

2
compiler/rustc_ast/src/mut_visit.rs
View file

@ -565,7 +565,7 @@ pub fn noop_visit_parenthesized_parameter_data<T: MutVisitor>(
args: &mut ParenthesizedArgs,
vis: &mut T,
) {
let ParenthesizedArgs { inputs, output, span } = args;
let ParenthesizedArgs { inputs, output, span, .. } = args;
visit_vec(inputs, |input| vis.visit_ty(input));
noop_visit_fn_ret_ty(output, vis);
vis.visit_span(span);