Differential D4677 Diff 20434 source/ps/containers/Span.h

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source/ps/containers/Span.h

Show First 20 Lines • Show All 46 Lines • ▼ Show 20 Lines	constexpr span()
: m_Pointer(nullptr), m_Extent(0) {}		: m_Pointer(nullptr), m_Extent(0) {}

constexpr span(iterator first, size_type extent)		constexpr span(iterator first, size_type extent)
: m_Pointer(first), m_Extent(extent) {}		: m_Pointer(first), m_Extent(extent) {}

constexpr span(iterator first, iterator last)		constexpr span(iterator first, iterator last)
: m_Pointer(first), m_Extent(static_cast<size_type>(last - first)) {}		: m_Pointer(first), m_Extent(static_cast<size_type>(last - first)) {}

		template<typename OtherT, std::size_t n>
		StanUnsubmitted Not Done Inline Actions std::size_t not sure about that one, we seem to use size_t in most places Stan: std::size_t not sure about that one, we seem to use size_t in most places
		constexpr span(const std::array<OtherT, n>& arr)
		: m_Pointer(arr.data()), m_Extent(arr.size()) {}

constexpr span(const span& other) = default;		constexpr span(const span& other) = default;

constexpr span& operator=(const span& other) = default;		constexpr span& operator=(const span& other) = default;

~span() = default;		~span() = default;

constexpr size_type size() const { return m_Extent; }		constexpr size_type size() const { return m_Extent; }
constexpr bool empty() const { return size() == 0; }		constexpr bool empty() const { return size() == 0; }
constexpr reference operator[](size_type index) const { return *(m_Pointer + index); }		constexpr reference operator[](size_type index) const { return *(m_Pointer + index); }
constexpr pointer data() const { return m_Pointer; }		constexpr pointer data() const { return m_Pointer; }

constexpr iterator begin() const { return m_Pointer; }		constexpr iterator begin() const { return m_Pointer; }
constexpr iterator end() const { return m_Pointer + m_Extent; }		constexpr iterator end() const { return m_Pointer + m_Extent; }

		constexpr span subspan(size_type offset) const { return {m_Pointer + offset, m_Extent - offset}; }

private:		private:
pointer m_Pointer;		pointer m_Pointer;
size_type m_Extent;		size_type m_Extent;
};		};

		template<typename T, std::size_t n>
		span(const std::array<T, n>&) -> span<const T>;

} // namespace PS		} // namespace PS

#endif // INCLUDED_PS_SPAN		#endif // INCLUDED_PS_SPAN