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Fix an outdated comment mentioning parameter that doesn't exist anymore #105375

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Dec 26, 2022
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Fix an outdated comment mentioning parameter that doesn't exist anymore #105375

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6 changes: 2 additions & 4 deletions compiler/rustc_ast_lowering/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1670,9 +1670,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// Lowers a function declaration.
//
// `decl`: the unlowered (AST) function declaration.
// `fn_def_id`: if `Some`, impl Trait arguments are lowered into generic parameters on the
// given DefId, otherwise impl Trait is disallowed. Must be `Some` if
// `make_ret_async` is also `Some`.
// `fn_node_id`: `impl Trait` arguments are lowered into generic parameters on the given `NodeId`.
// `make_ret_async`: if `Some`, converts `-> T` into `-> impl Future<Output = T>` in the
// return type. This is used for `async fn` declarations. The `NodeId` is the ID of the
// return type `impl Trait` item, and the `Span` points to the `async` keyword.
Expand Down Expand Up @@ -1796,7 +1794,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// type OpaqueTy<generics_from_parent_fn> = impl Future<Output = T>;
//
// `output`: unlowered output type (`T` in `-> T`)
// `fn_def_id`: `DefId` of the parent function (used to create child impl trait definition)
// `fn_node_id`: `NodeId` of the parent function (used to create child impl trait definition)
// `opaque_ty_node_id`: `NodeId` of the opaque `impl Trait` type that should be created
#[instrument(level = "debug", skip(self))]
fn lower_async_fn_ret_ty(
Expand Down