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| author | The Miri Conjob Bot <miri@cron.bot> | 2023-09-23 05:17:05 +0000 |
|---|---|---|
| committer | The Miri Conjob Bot <miri@cron.bot> | 2023-09-23 05:17:05 +0000 |
| commit | 3ca49cfe9d0ab73f3ee33f6f216b1d001f7cd073 (patch) | |
| tree | 8981d23317d71c12ac7a3e1241f1fed1fee34d41 /compiler/rustc_session/src/utils.rs | |
| parent | 68706342323af86d58595d43a725637b42783675 (diff) | |
| parent | 79d685325c170f0aed483e4c50c1f2b7d5b2bdc1 (diff) | |
| download | rust-3ca49cfe9d0ab73f3ee33f6f216b1d001f7cd073.tar.gz rust-3ca49cfe9d0ab73f3ee33f6f216b1d001f7cd073.zip | |
Merge from rustc
Diffstat (limited to 'compiler/rustc_session/src/utils.rs')
| -rw-r--r-- | compiler/rustc_session/src/utils.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_session/src/utils.rs b/compiler/rustc_session/src/utils.rs index f76c69af526..aea7c6c2842 100644 --- a/compiler/rustc_session/src/utils.rs +++ b/compiler/rustc_session/src/utils.rs @@ -158,3 +158,12 @@ pub fn extra_compiler_flags() -> Option<(Vec<String>, bool)> { if !result.is_empty() { Some((result, excluded_cargo_defaults)) } else { None } } + +pub(crate) fn is_ascii_ident(string: &str) -> bool { + let mut chars = string.chars(); + if let Some(start) = chars.next() && (start.is_ascii_alphabetic() || start == '_') { + chars.all(|char| char.is_ascii_alphanumeric() || char == '_') + } else { + false + } +} |