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| author | klensy <klensy@users.noreply.github.com> | 2022-06-08 21:23:39 +0300 |
|---|---|---|
| committer | klensy <klensy@users.noreply.github.com> | 2022-06-16 14:40:30 +0300 |
| commit | 68ea8ff16f74be00797a237f8fd438b1d097ab5a (patch) | |
| tree | 724e6126d5769db8f749958f39b66027e7151876 /compiler/rustc_errors/src | |
| parent | 989d1a732f194d852e9a3636fc283c65612f995f (diff) | |
| download | rust-68ea8ff16f74be00797a237f8fd438b1d097ab5a.tar.gz rust-68ea8ff16f74be00797a237f8fd438b1d097ab5a.zip | |
drive by fix needless allocation of const string number
Diffstat (limited to 'compiler/rustc_errors/src')
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 06a1a31c672..ec48efa9bce 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -771,8 +771,12 @@ impl EmitterWriter { self } - fn maybe_anonymized(&self, line_num: usize) -> String { - if self.ui_testing { ANONYMIZED_LINE_NUM.to_string() } else { line_num.to_string() } + fn maybe_anonymized(&self, line_num: usize) -> Cow<'static, str> { + if self.ui_testing { + Cow::Borrowed(ANONYMIZED_LINE_NUM) + } else { + Cow::Owned(line_num.to_string()) + } } fn draw_line( |