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perf: reserve Vec capacities where appropriate

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(cherry picked from commit 1e7d77c517)
This commit is contained in:
Will Lillis 2025-07-07 21:56:42 -04:00
parent bf4217f0ff
commit d7529c3265
12 changed files with 32 additions and 25 deletions
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3
cli/generate/src/parse_grammar.rs
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@ -272,12 +272,11 @@ pub(crate) fn parse_grammar(input: &str) -> ParseGrammarResult<InputGrammar> {
.reserved
.into_iter()
.map(|(name, rule_values)| {
let mut reserved_words = Vec::new();
let Value::Array(rule_values) = rule_values else {
Err(ParseGrammarError::InvalidReservedWordSet)?
};
let mut reserved_words = Vec::with_capacity(rule_values.len());
for value in rule_values {
reserved_words.push(parse_rule(serde_json::from_value(value)?, false)?);
}