gul14/span.h

Detailed Description

Backport of std::span from C++20.

Classes
class	gul14::span< ElementType, Extent >
	A view to a contiguous sequence of objects. More...

Functions
template<typename ElementType , std::size_t Extent>
span< const unsigned char,((Extent==dynamic_extent) ? dynamic_extent :sizeof(ElementType) *Extent)>	gul14::as_bytes (span< ElementType, Extent > s) noexcept
	Return a constant view to the byte representation of the elements of a given span. More...
template<class ElementType , size_t Extent, typename std::enable_if<!std::is_const< ElementType >::value, int >::type = 0>
span< unsigned char,((Extent==dynamic_extent) ? dynamic_extent :sizeof(ElementType) *Extent)>	gul14::as_writable_bytes (span< ElementType, Extent > s) noexcept
	Return a writable view to the byte representation of the elements of a given span. More...
template<std::size_t N, typename E , std::size_t S>
constexpr auto	gul14::get (span< E, S > s) -> decltype(s[N])
	Return a reference to the Nth element of a given span. More...

Function Documentation

as_bytes()

template<typename ElementType , std::size_t Extent>

span<const unsigned char, ((Extent == dynamic_extent) ? dynamic_extent : sizeof(ElementType) * Extent)> gul14::as_bytes ( span< ElementType, Extent >  s )

noexcept

Return a constant view to the byte representation of the elements of a given span.

This is a backport from the C++20 standard library, see: https://en.cppreference.com/w/cpp/container/span/as_bytes

Since

GUL version 1.9

References gul14::span< ElementType, Extent >::data(), and gul14::span< ElementType, Extent >::size_bytes().

as_writable_bytes()

template<class ElementType , size_t Extent, typename std::enable_if<!std::is_const< ElementType >::value, int >::type = 0>

span<unsigned char, ((Extent == dynamic_extent) ? dynamic_extent : sizeof(ElementType) * Extent)> gul14::as_writable_bytes ( span< ElementType, Extent >  s )

noexcept

Return a writable view to the byte representation of the elements of a given span.

This is a backport from the C++20 standard library, see: https://en.cppreference.com/w/cpp/container/span/as_bytes

Since

GUL version 1.9

References gul14::span< ElementType, Extent >::data(), and gul14::span< ElementType, Extent >::size_bytes().

get()

template<std::size_t N, typename E , std::size_t S>

constexpr auto gul14::get ( span< E, S >  s ) -> decltype(s[N])

constexpr

Return a reference to the Nth element of a given span.

This is a backport from the C++20 standard library, see: https://en.cppreference.com/w/cpp/container/span/get

Since

GUL version 1.9