remove unnecessary to_string and String::new for tool_only_span_suggestion

2022-06-13 16:01:16 +09:00
parent 77d6176e69
commit fd1290a631
6 changed files with 7 additions and 12 deletions
--- a/compiler/rustc_builtin_macros/src/format.rs
+++ b/compiler/rustc_builtin_macros/src/format.rs
@@ -330,7 +330,7 @@ impl<'a, 'b> Context<'a, 'b> {
                                err.tool_only_span_suggestion(
                                    sp,
                                    &format!("use the `{}` trait", name),
-                                    (*fmt).to_string(),
+                                    *fmt,
                                    Applicability::MaybeIncorrect,
                                );
                            }