45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
#pragma once
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#include <array>
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#include <cassert>
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template <class T, int32_t N>
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struct Array : std::array<T, N> {
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using reference = typename std::array<T, N>::reference;
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using const_reference = typename std::array<T, N>::const_reference;
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using size_type = typename std::array<T, N>::size_type;
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constexpr int32_t ssize() const;
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constexpr reference at(int32_t pos);
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constexpr const_reference at(int32_t pos) const;
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};
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template <class T, int32_t N>
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constexpr int32_t Array<T, N>::ssize() const {
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auto size = this->size();
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assert(size < INT32_MAX);
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wshorten-64-to-32"
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return size;
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#pragma clang diagnostic pop
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}
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template <class T, int32_t N>
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constexpr typename Array<T, N>::reference Array<T, N>::at(int32_t pos) {
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assert(pos >= 0);
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wshorten-64-to-32"
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return std::array<T, N>::at(static_cast<size_type>(pos));
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#pragma clang diagnostic pop
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}
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template <class T, int32_t N>
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constexpr typename Array<T, N>::const_reference Array<T, N>::at(int32_t pos) const {
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assert(pos >= 0);
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wshorten-64-to-32"
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return std::array<T, N>::at(static_cast<size_type>(pos));
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#pragma clang diagnostic pop
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}
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