std:: begin (std::initializer_list)

From cppreference.com
Utilities library
General utilities
Relational operators (deprecated in C++20)
Defined in header <initializer_list>
template < class E >
const E * begin ( std:: initializer_list < E > il ) noexcept ;
(since C++11)
(constexpr since C++14)

The overload of std::begin for initializer_list returns a pointer to the first element of il .

Parameters

il - an initializer_list

Return value

il. begin ( )

Example

#include <algorithm>
#include <initializer_list>
#include <iostream>
#include <iterator>
 
int main()
{
    std::initializer_list ϕ = {'1', '.', '6', '1', '8', '0'};
 
    std::copy(std::begin(ϕ),
              std::end(ϕ),
              std::ostream_iterator<char>(std::cout, ""));
 
    std::cout << '\n';
}

Output:

1.6180

See also

returns a pointer to the first element
(public member function)