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| author | kennytm <kennytm@gmail.com> | 2018-04-11 19:56:41 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-11 19:56:41 +0800 |
| commit | 77777b4528827af7044c987f4f291775fd7a5b0b (patch) | |
| tree | 2031d41d5e9b5463e4bc328e9fabc6fdf1eb92cc /src/libsyntax/parse | |
| parent | ca26ef321c44358404ef788d315c4557eb015fb2 (diff) | |
| parent | e7aa1397ea901e50cc3427d8db44c0b387253bba (diff) | |
| download | rust-77777b4528827af7044c987f4f291775fd7a5b0b.tar.gz rust-77777b4528827af7044c987f4f291775fd7a5b0b.zip | |
Rollup merge of #49525 - varkor:sort_by_cached_key-conversion, r=scottmcm
Use sort_by_cached_key where appropriate A follow-up to https://github.com/rust-lang/rust/pull/48639, converting various slice sorting calls to `sort_by_cached_key` when the key functions are more expensive.
Diffstat (limited to 'src/libsyntax/parse')
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 61de50e8e6a..027b24cbbdc 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -689,7 +689,7 @@ impl<'a> Parser<'a> { .chain(inedible.iter().map(|x| TokenType::Token(x.clone()))) .chain(self.expected_tokens.iter().cloned()) .collect::<Vec<_>>(); - expected.sort_by(|a, b| a.to_string().cmp(&b.to_string())); + expected.sort_by_cached_key(|x| x.to_string()); expected.dedup(); let expect = tokens_to_string(&expected[..]); let actual = self.this_token_to_string(); |