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strings.TrimSpace micro-optimization

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strings.TrimSpace string's end final trimming should use more specific TrimRightFunc instead of common TrimFunc (because start has already trimmed before)
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Illirgway 2021-06-21 23:04:01 +03:00 committed by GitHub
parent 3f9ec83b10
commit 040607a831
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1 changed files with 2 additions and 1 deletions
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3
src/strings/strings.go
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@ -884,7 +884,8 @@ func TrimSpace(s string) string {
for ; stop > start; stop-- {
c := s[stop-1]
if c >= utf8.RuneSelf {
return TrimFunc(s[start:stop], unicode.IsSpace)
// start has been already trimmed above, should trim end only
return TrimRightFunc(s[start:stop], unicode.IsSpace)
}
if asciiSpace[c] == 0 {
break