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⚡ Optimize slice allocation in ToFormattedCase #10

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Merged
arran4 merged 2 commits into from
Jan 29, 2026
Merged

⚡ Optimize slice allocation in ToFormattedCase #10

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1abcdb5
perf: Optimize slice allocation in ToFormattedCase
google-labs-jules[bot] Jan 29, 2026
f696ae9
Merge branch 'main' into perf/optimize-slice-alloc-toformattedcase-16…
arran4 Jan 29, 2026
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20 changes: 20 additions & 0 deletions benchmark_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,26 @@ import (
"testing"
)

func BenchmarkToFormattedCase(b *testing.B) {
words := []Word{
SingleCaseWord("one"),
SingleCaseWord("two"),
SingleCaseWord("three"),
SingleCaseWord("four"),
SingleCaseWord("five"),
SingleCaseWord("six"),
SingleCaseWord("seven"),
SingleCaseWord("eight"),
SingleCaseWord("nine"),
SingleCaseWord("ten"),
}

b.ResetTimer()
for i := 0; i < b.N; i++ {
ToFormattedCase(words, OptionDelimiter("-"))
}
}

var benchWords = []Word{
SingleCaseWord("hello"),
SingleCaseWord("world"),
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2 changes: 1 addition & 1 deletion types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ func ToFormattedCase(words []Word, opts ...Option) string {
cfg.firstUpper = true
}

var result []string
result := make([]string, 0, len(words))
for _, word := range words {
var w string
switch word := word.(type) {
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