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AK: Add Span<T>::matching_prefix_length
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sideshowbarker
2024-07-17 05:06:13 +09:00
Author: https://github.com/timschumi Commit: https://github.com/SerenityOS/serenity/commit/3526d67694 Pull-request: https://github.com/SerenityOS/serenity/pull/19332 Reviewed-by: https://github.com/linusg ✅
12
AK/Span.h
12
AK/Span.h
@ -227,6 +227,18 @@ public:
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return TypedTransfer<T>::compare(data(), other.data(), other.size());
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}
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[[nodiscard]] size_t constexpr matching_prefix_length(ReadonlySpan<T> other) const
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{
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auto maximum_length = min(size(), other.size());
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for (size_t i = 0; i < maximum_length; i++) {
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if (data()[i] != other.data()[i])
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return i;
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}
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return maximum_length;
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}
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[[nodiscard]] ALWAYS_INLINE constexpr T const& at(size_t index) const
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{
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VERIFY(index < this->m_size);
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