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AK+Tests: Add Vector::find_first_index_if()

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Sam Atkins 2023-04-10 17:27:16 +01:00 • committed by Andreas Kling
parent 1352f8820b
commit 89e55c5297
2 changed files with 17 additions and 0 deletions
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9
AK/Vector.h
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@ -796,6 +796,15 @@ public:
return {};
}
template<typename TUnaryPredicate>
Optional<size_t> find_first_index_if(TUnaryPredicate&& finder) const
{
auto maybe_result = AK::find_if(begin(), end(), finder);
if (maybe_result == end())
return {};
return maybe_result.index();
}
void reverse()
{
for (size_t i = 0; i < size() / 2; ++i)