bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Account for x @ y and suggest ref x @ ref y

Browse source
This commit is contained in:
Esteban Küber 2022-11-15 09:01:20 -08:00
parent 3c905d4ccd
commit 3a471b5fd8
13 changed files with 362 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

16
compiler/rustc_mir_build/src/thir/pattern/check_match.rs
View file

@ -1044,11 +1044,19 @@ fn check_borrow_conflicts_in_at_patterns(cx: &MatchVisitor<'_, '_, '_>, pat: &Pa
name,
typeck_results.node_type(pat.hir_id),
);
sess.struct_span_err(pat.span, "borrow of moved value")
.span_label(binding_span, format!("value moved into `{}` here", name))
let mut err = sess.struct_span_err(pat.span, "borrow of moved value");
err.span_label(binding_span, format!("value moved into `{}` here", name))
.span_label(binding_span, occurs_because)
.span_labels(conflicts_ref, "value borrowed here after move")
.emit();
.span_labels(conflicts_ref, "value borrowed here after move");
if pat.span.contains(binding_span) {
err.span_suggestion_verbose(
binding_span.shrink_to_lo(),
"borrow this binding in the pattern to avoid moving the value",
"ref ".to_string(),
Applicability::MachineApplicable,
);
}
err.emit();
}
return;
}