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AK: Add Span<T>::matching_prefix_length

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Tim Schumacher 2023-06-02 00:31:40 +02:00 • committed by Linus Groh
parent 2109f61b0d
commit 3526d67694
1 changed files with 12 additions and 0 deletions
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12
AK/Span.h
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@ -227,6 +227,18 @@ public:
return TypedTransfer<T>::compare(data(), other.data(), other.size()); return TypedTransfer<T>::compare(data(), other.data(), other.size());
} }
[[nodiscard]] size_t constexpr matching_prefix_length(ReadonlySpan<T> other) const
{
auto maximum_length = min(size(), other.size());
for (size_t i = 0; i < maximum_length; i++) {
if (data()[i] != other.data()[i])
return i;
}
return maximum_length;
}
[[nodiscard]] ALWAYS_INLINE constexpr T const& at(size_t index) const [[nodiscard]] ALWAYS_INLINE constexpr T const& at(size_t index) const
{ {
VERIFY(index < this->m_size); VERIFY(index < this->m_size);