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[parser.rs] match token vector on length

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This commit is contained in:
kevin zhao
2025-11-10 18:50:31 -08:00
parent 5fd2172f9f
commit 90411d6e90
1 changed files with 10 additions and 14 deletions
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24
codex-rs/execpolicy2/src/parser.rs
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@@ -107,22 +107,18 @@ fn parse_pattern_token<'v>(value: Value<'v>) -> Result<PatternToken> {
})?;
tokens.push(s.to_string());
}
if tokens.is_empty() {
return Err(Error::InvalidPattern(
match tokens.as_slice() {
[] => Err(Error::InvalidPattern(
"pattern alternatives cannot be empty".to_string(),
));
)),
[single] => Ok(PatternToken::Single(single.clone())),
_ => Ok(PatternToken::Alts(tokens)),
}
if tokens.is_empty() {
Err(Error::InvalidPattern(...))
} else if tokens.len() == 1 {
Ok(PatternToken::Single(tokens.into_iter().next().unwrap()))
} else {
Ok(PatternToken::Alts(tokens))
})
} else {
Err(Error::InvalidPattern(
"pattern element must be a string or list of strings".to_string(),
))
}
Err(Error::InvalidPattern(
"pattern element must be a string or list of strings".to_string(),
))
}
fn parse_examples<'v>(examples: UnpackList<Value<'v>>) -> Result<Vec<Vec<String>>> {
@@ -185,7 +181,7 @@ fn policy_builtins(builder: &mut GlobalsBuilder) {
let (first_token, remaining_tokens) = pattern_tokens
.split_first()
.expect("pattern validated as non-empty");
.ok_or_else(|| Error::InvalidPattern("pattern cannot be empty".to_string()))?;
#[expect(clippy::unwrap_used)]
let builder = eval