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Suggest imports of unresolved macros

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This commit is contained in:
Temirkhan Myrzamadi 2020-08-06 11:53:09 +06:00
parent 6ac6c67574
commit 13dfbb64d3
1 changed files with 4 additions and 0 deletions
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4
compiler/rustc_resolve/src/diagnostics.rs
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@ -929,6 +929,10 @@ impl<'a> Resolver<'a> {
);
self.add_typo_suggestion(err, suggestion, ident.span);
let import_suggestions =
self.lookup_import_candidates(ident, Namespace::MacroNS, parent_scope, |_| true);
show_candidates(err, None, &import_suggestions, false, true);
if macro_kind == MacroKind::Derive && (ident.name == sym::Send || ident.name == sym::Sync) {
let msg = format!("unsafe traits like `{}` should be implemented explicitly", ident);
err.span_note(ident.span, &msg);