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builtin,ast: apply small performance improvements, suggested by hotspot

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Delyan Angelov 2021-11-07 13:30:40 +02:00
parent d8f971ffb5
commit 80242c8041
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GPG key ID: 66886C0F12D595ED
8 changed files with 74 additions and 16 deletions
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8
vlib/builtin/js/string_test.js.v
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@ -669,6 +669,14 @@ fn test_starts_with() {
assert s.starts_with('Language') == false
}
fn test_starts_with_capital() {
assert 'A sentence'.starts_with_capital()
assert 'A paragraph. It also does.'.starts_with_capital()
assert ''.starts_with_capital() == false
assert 'no'.starts_with_capital() == false
assert ' No'.starts_with_capital() == false
}
fn test_trim_prefix() {
s := 'V Programming Language'
assert s.trim_prefix('V ') == 'Programming Language'