diff options
| -rw-r--r-- | compiler/rustc_ast_lowering/src/item.rs | 4 | ||||
| -rw-r--r-- | src/test/rustdoc/async-fn.rs | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 0cfcd843ddd..1335bb02580 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -1102,6 +1102,10 @@ impl<'hir> LoweringContext<'_, 'hir> { ident, _, ) => (ident, true), + // For `ref mut` arguments, we can't reuse the binding, but + // we can keep the same name for the parameter. + // This lets rustdoc render it correctly in documentation. + hir::PatKind::Binding(_, _, ident, _) => (ident, false), _ => { // Replace the ident for bindings that aren't simple. let name = format!("__arg{}", index); diff --git a/src/test/rustdoc/async-fn.rs b/src/test/rustdoc/async-fn.rs index 5a03e821e8a..d7c89073829 100644 --- a/src/test/rustdoc/async-fn.rs +++ b/src/test/rustdoc/async-fn.rs @@ -20,6 +20,12 @@ pub async unsafe fn qux() -> char { '⚠' } +// @has async_fn/fn.mut_args.html '//pre[@class="rust fn"]' 'pub async fn mut_args(a: usize)' +pub async fn mut_args(mut a: usize) {} + +// @has async_fn/fn.mut_ref.html '//pre[@class="rust fn"]' 'pub async fn mut_ref(x: i32)' +pub async fn mut_ref(ref mut x: i32) {} + trait Bar {} impl Bar for () {} @@ -32,9 +38,11 @@ pub async fn quux() -> impl Bar { // @has async_fn/struct.Foo.html // @matches - '//code' 'pub async fn f\(\)$' // @matches - '//code' 'pub async unsafe fn g\(\)$' +// @matches - '//code' 'pub async fn mut_self\(self, first: usize\)$' pub struct Foo; impl Foo { pub async fn f() {} pub async unsafe fn g() {} + pub async fn mut_self(mut self, mut first: usize) {} } |