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Hide <...> defined here note if the source is not available

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This commit is contained in:
Fabian Wolff 2021-09-24 22:42:05 +02:00
parent a0648eab36
commit 911ced003a
1 changed files with 5 additions and 1 deletions
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6
compiler/rustc_typeck/src/structured_errors/wrong_number_of_generic_args.rs
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@ -731,7 +731,11 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> {
/// Builds the `type defined here` message.
fn show_definition(&self, err: &mut DiagnosticBuilder<'_>) {
let mut spans: MultiSpan = if let Some(def_span) = self.tcx.def_ident_span(self.def_id) {
def_span.into()
if self.tcx.sess.source_map().span_to_snippet(def_span).is_ok() {
def_span.into()
} else {
return;
}
} else {
return;
};