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Implement std::size and std::ssize for C-style arrays #57

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Implement std::size and std::ssize for C-style arrays #57

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Implement std::size and std::ssize for C-style arrays
davidtranhq Dec 30, 2022
ed74b7e
Fix styling
davidtranhq Dec 30, 2022
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12 changes: 12 additions & 0 deletions include/frg/array.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,18 @@ constexpr auto array_concat(const Ts &...arrays) {

namespace std {

template <class T, size_t N>
constexpr size_t size(const T (&array)[N]) noexcept
{
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return N;
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}

template <class T, ptrdiff_t N>
constexpr ptrdiff_t ssize(const T (&array)[N]) noexcept
{
return N;
}

template<size_t I, class T, size_t N>
constexpr T &get(frg::array<T, N> &a) noexcept {
static_assert(I < N, "array index is not within bounds");
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