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string: avoid double allocation in trim_space()

pull/1275/head
Rendims 2019-07-22 21:35:01 +02:00 committed by Alexander Medvednikov
parent dd070e616d
commit 5375038d88
1 changed files with 3 additions and 4 deletions
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7
vlib/builtin/string.v
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@ -545,13 +545,12 @@ pub fn (s string) trim_space() string {
for i < s.len && is_space(s[i]) { for i < s.len && is_space(s[i]) {
i++ i++
} }
mut res := s.right(i) mut end := s.len - 1
mut end := res.len - 1 for end >= 0 && is_space(s[end]) {
for end >= 0 && is_space(res[end]) {
// C.printf('end=%d c=%d %c\n', end, res.str[end]) // C.printf('end=%d c=%d %c\n', end, res.str[end])
end-- end--
} }
res = res.left(end + 1) res := s.substr(i, end + 1)
// println('after SPACE "$res"') // println('after SPACE "$res"')
return res return res
} }