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| author | kleines Filmröllchen <filmroellchen@serenityos.org> | 2022-04-04 18:26:00 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-04-06 12:47:50 +0200 |
| commit | 7b145d810a6a6f093116e35c878458b8a78485df (patch) | |
| tree | 54502d3e9ce2bf7ec5400c6f140ebab43d7e8b94 | |
| parent | ff8ca811c786e23d0c35408f911dc13aab5f5cfa (diff) | |
| download | serenity-7b145d810a6a6f093116e35c878458b8a78485df.zip | |
AK: Add const version of Vector::first_matching
| -rw-r--r-- | AK/Vector.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/AK/Vector.h b/AK/Vector.h index a261ac6241..88c0ba74c2 100644 --- a/AK/Vector.h +++ b/AK/Vector.h @@ -174,6 +174,17 @@ public: } template<typename TUnaryPredicate> + Optional<VisibleType const&> first_matching(TUnaryPredicate predicate) const requires(!contains_reference) + { + for (size_t i = 0; i < size(); ++i) { + if (predicate(at(i))) { + return Optional<VisibleType const&>(at(i)); + } + } + return {}; + } + + template<typename TUnaryPredicate> Optional<VisibleType&> last_matching(TUnaryPredicate predicate) requires(!contains_reference) { for (ssize_t i = size() - 1; i >= 0; --i) { |