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avoid &str to String conversions

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This commit is contained in:
Takayuki Maeda 2022-08-09 12:27:53 +09:00
parent 93ab13b4e8
commit abbd34d00e
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_typeck/src/check/coercion.rs
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@ -1589,11 +1589,11 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> {
) {
let hir::ExprKind::Loop(_, _, _, loop_span) = expr.kind else { return;};
let mut span: MultiSpan = vec![loop_span].into();
span.push_span_label(loop_span, "this might have zero elements to iterate on".to_string());
span.push_span_label(loop_span, "this might have zero elements to iterate on");
for ret_expr in ret_exprs {
span.push_span_label(
ret_expr.span,
"if the loop doesn't execute, this value would never get returned".to_string(),
"if the loop doesn't execute, this value would never get returned",
);
}
err.span_note(