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builtin: s.trim_prefix/1 -> s.trim_string_left/1, s.trim_suffix/1 -> s.trim_string_right/1

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Delyan Angelov
2022-01-05 12:49:22 +02:00
parent 57fa9768d5
commit d3489d4246
9 changed files with 82 additions and 50 deletions
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28
vlib/builtin/string.v
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@@ -1340,24 +1340,40 @@ pub fn (s string) trim_right(cutset string) string {
return s[..pos + 1]
}
// trim_prefix strips `str` from the start of the string.
// Example: assert 'WorldHello V'.trim_prefix('World') == 'Hello V'
pub fn (s string) trim_prefix(str string) string {
// trim_string_left strips `str` from the start of the string.
// Example: assert 'WorldHello V'.trim_string_left('World') == 'Hello V'
pub fn (s string) trim_string_left(str string) string {
if s.starts_with(str) {
return s[str.len..]
}
return s.clone()
}
// trim_suffix strips `str` from the end of the string.
// Example: assert 'Hello VWorld'.trim_suffix('World') == 'Hello V'
pub fn (s string) trim_suffix(str string) string {
// trim_string_right strips `str` from the end of the string.
// Example: assert 'Hello VWorld'.trim_string_right('World') == 'Hello V'
pub fn (s string) trim_string_right(str string) string {
if s.ends_with(str) {
return s[..s.len - str.len]
}
return s.clone()
}
// trim_prefix strips `str` from the start of the string.
// Example: assert 'WorldHello V'.trim_prefix('World') == 'Hello V'
[deprecated: 'use s.trim_string_left(x) instead']
[deprecated_after: '2022-01-19']
pub fn (s string) trim_prefix(str string) string {
return s.trim_string_left(str)
}
// trim_suffix strips `str` from the end of the string.
// Example: assert 'Hello VWorld'.trim_suffix('World') == 'Hello V'
[deprecated: 'use s.trim_string_right(x) instead']
[deprecated_after: '2022-01-19']
pub fn (s string) trim_suffix(str string) string {
return s.trim_string_right(str)
}
// compare_strings returns `-1` if `a < b`, `1` if `a > b` else `0`.
pub fn compare_strings(a &string, b &string) int {
if a < b {