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⚡ Bolt: [performance improvement] Optimize string allocations in casing utilities #85

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⚡ Bolt: [performance improvement] Optimize string allocations in casing utilities #85

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10 changes: 4 additions & 6 deletions xdk-lib/src/casing.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,8 @@ impl Casing {
result
}
}
Casing::Pascal => words
.iter()
.map(|w| pascal_case(w))
.collect::<Vec<_>>()
.join(""),
// Bolt optimization: avoid intermediate Vec allocation by directly collecting into a String.
Casing::Pascal => words.iter().map(|w| pascal_case(w)).collect::<String>(),
Casing::Kebab => words.join("-").to_lowercase(),
Casing::ScreamingSnake => words.join("_").to_uppercase(),
}
Expand Down Expand Up @@ -118,6 +115,7 @@ pub fn camel_case(value: &str) -> String {
let mut chars = pascal.chars();
match chars.next() {
None => String::new(),
Some(first) => first.to_lowercase().collect::<String>() + chars.as_str(),
// Bolt optimization: use to_string() instead of collect::<String>() on char::to_lowercase()
Some(first) => first.to_lowercase().to_string() + chars.as_str(),
}
}
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