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Use strip_{prefix|suffix} instead of {starts|ends}_with+indexing

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This commit is contained in:
Yotam Ofek 2025-03-16 15:54:04 +00:00
parent 8b87fefd76
commit a3e4dff183
7 changed files with 20 additions and 21 deletions
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9
compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
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@ -390,13 +390,8 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
if let Some((name, term)) = associated_ty {
// FIXME: this case overlaps with code in TyCtxt::note_and_explain_type_err.
// That should be extracted into a helper function.
if constraint.ends_with('>') {
constraint = format!(
"{}, {} = {}>",
&constraint[..constraint.len() - 1],
name,
term
);
if let Some(stripped) = constraint.strip_suffix('>') {
constraint = format!("{stripped}, {name} = {term}>");
} else {
constraint.push_str(&format!("<{name} = {term}>"));
}