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Support building ArrayView from contigous iterators

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This commit is contained in:
Maxime Coste 2023-11-10 16:32:27 +11:00
parent feeacd8de9
commit fbbced5ed0
1 changed files with 9 additions and 0 deletions
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9
src/array_view.hh
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@ -27,6 +27,11 @@ public:
constexpr ArrayView(T* begin, T* end) constexpr ArrayView(T* begin, T* end)
: m_pointer(begin), m_size(end - begin) {} : m_pointer(begin), m_size(end - begin) {}
template<typename It>
requires std::contiguous_iterator<It> and std::is_same_v<std::iter_value_t<It>, T>
constexpr ArrayView(It begin, It end)
: m_pointer(&*begin), m_size(end - begin) {}
template<size_t N> template<size_t N>
constexpr ArrayView(T(&array)[N]) : m_pointer(array), m_size(N) {} constexpr ArrayView(T(&array)[N]) : m_pointer(array), m_size(N) {}
@ -68,6 +73,10 @@ private:
size_t m_size; size_t m_size;
}; };
template<typename It>
requires std::contiguous_iterator<It>
ArrayView(It begin, It end) -> ArrayView<std::iter_value_t<It>>;
template<typename T> template<typename T>
using ConstArrayView = ArrayView<const T>; using ConstArrayView = ArrayView<const T>;