bjoernager/rust
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Suggest correct place to add self parameter when inside closure

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It would incorrectly suggest adding it as a parameter to the closure instead of the
containing function.
This commit is contained in:
Jan Verbeek 2020-10-17 13:36:59 +02:00
parent 03687f8ffa
commit e701ae376a
5 changed files with 43 additions and 6 deletions
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8
compiler/rustc_resolve/src/late.rs
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@ -369,7 +369,7 @@ struct DiagnosticMetadata<'ast> {
/// param.
currently_processing_generics: bool,
/// The current enclosing function (used for better errors).
/// The current enclosing (non-closure) function (used for better errors).
current_function: Option<(FnKind<'ast>, Span)>,
/// A list of labels as of yet unused. Labels will be removed from this map when
@ -515,8 +515,10 @@ impl<'a: 'ast, 'ast> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast> {
FnKind::Fn(FnCtxt::Assoc(_), ..) => NormalRibKind,
FnKind::Closure(..) => ClosureOrAsyncRibKind,
};
let previous_value =
replace(&mut self.diagnostic_metadata.current_function, Some((fn_kind, sp)));
let previous_value = self.diagnostic_metadata.current_function;
if matches!(fn_kind, FnKind::Fn(..)) {
self.diagnostic_metadata.current_function = Some((fn_kind, sp));
}
debug!("(resolving function) entering function");
let declaration = fn_kind.decl();