std::experimental::to_array

Header: <experimental/array>

Creates a std::array from the built-in array a. The elements of the std::array are copy-initialized from the corresponding element of a.

# Declarations

template< class T, std::size_t N >
constexpr std::array<std::remove_cv_t<T>, N> to_array(T (&a)[N]);

(library fundamentals TS v2)

# Parameters

# Return value

An std::array object whose elements are copy-initialized from the corresponding element of a.

# Example

#include <cassert>
#include <cstdlib>
#include <experimental/array>
#include <unistd.h>
 
// mkstemp(3) that works
template<std::size_t N>
int tempfd(char const (&tmpl)[N])
{
    auto s = std::experimental::to_array(tmpl);
    int fd = mkstemp(s.data());
    if (fd != -1)
        unlink(s.data());
 
    return fd;
}
 
int main()
{
    int fd = tempfd("/tmp/test.XXXXXX");
    int rt = close(fd);
    assert(rt == 0);
}

# See also