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AK: Give String::index_of() an optional second "start" argument
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parent
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commit
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2 changed files with 3 additions and 3 deletions
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@ -311,13 +311,13 @@ bool String::contains(const String& needle) const
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return strstr(characters(), needle.characters());
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}
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Optional<size_t> String::index_of(const String& needle) const
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Optional<size_t> String::index_of(const String& needle, size_t start) const
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{
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if (is_null() || needle.is_null())
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return {};
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const char* self_characters = characters();
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const char* result = strstr(self_characters, needle.characters());
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const char* result = strstr(self_characters + start, needle.characters());
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if (!result)
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return {};
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return Optional<size_t> { result - self_characters };
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