Aleksandar Djordjevic
67 строки
1.5 KiB
C++
67 строки
1.5 KiB
C++
#pragma once
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#include <array>
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#include <cstddef>
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#include <vector>
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namespace rocprofsys
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{
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inline namespace common
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{
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template <typename T>
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struct span
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{
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using value_type = T;
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constexpr span(T* data, size_t size) noexcept
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: m_data(data)
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, m_size(size)
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{}
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constexpr span(std::vector<T>& vec) noexcept
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: m_data(vec.data())
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, m_size(vec.size())
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{}
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template <size_t N>
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constexpr span(std::array<T, N>& arr) noexcept
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: m_data(arr.data())
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, m_size(arr.size())
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{}
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constexpr inline __attribute__((always_inline)) T* data() const noexcept
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{
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return m_data;
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}
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constexpr inline __attribute__((always_inline)) T* data() noexcept { return m_data; }
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constexpr inline __attribute__((always_inline)) T* begin() noexcept { return m_data; }
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constexpr inline __attribute__((always_inline)) T* end() noexcept
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{
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return m_data + m_size;
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}
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constexpr inline __attribute__((always_inline)) size_t size() const noexcept
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{
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return m_size;
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}
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constexpr inline __attribute__((always_inline)) bool empty() const noexcept
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{
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return m_size == 0;
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}
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constexpr inline __attribute__((always_inline)) T& operator[](size_t index) noexcept
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{
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return m_data[index];
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}
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constexpr inline __attribute__((always_inline)) const T& operator[](
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size_t index) const noexcept
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{
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return m_data[index];
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}
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private:
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T* m_data = nullptr;
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size_t m_size = 0;
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};
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} // namespace common
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} // namespace rocprofsys
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