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AK: Give String::index_of() an optional second "start" argument

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Nico Weber 2020-07-12 13:36:48 -04:00 • committed by Andreas Kling
parent 332f349e07
commit 97cea9e61c
2 changed files with 3 additions and 3 deletions
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4
AK/String.cpp
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@ -311,13 +311,13 @@ bool String::contains(const String& needle) const
return strstr(characters(), needle.characters());
}
Optional<size_t> String::index_of(const String& needle) const
Optional<size_t> String::index_of(const String& needle, size_t start) const
{
if (is_null() || needle.is_null())
return {};
const char* self_characters = characters();
const char* result = strstr(self_characters, needle.characters());
const char* result = strstr(self_characters + start, needle.characters());
if (!result)
return {};
return Optional<size_t> { result - self_characters };