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AK: Implement Span::starts_with()

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Useful for checking for contents at the start of a span.
This commit is contained in:
Valtteri Koskivuori 2021-05-03 21:46:18 +03:00 • committed by Linus Groh
parent aacbee8ed8
commit 1069979ddf
2 changed files with 24 additions and 0 deletions
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8
AK/Span.h
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@ -176,6 +176,14 @@ public:
return false;
}
bool constexpr starts_with(Span<const T> other) const
{
if (size() < other.size())
return false;
return TypedTransfer<T>::compare(data(), other.data(), other.size());
}
ALWAYS_INLINE constexpr const T& at(size_t index) const
{
VERIFY(index < this->m_size);