NAME

std::initializer_list::size - std::initializer_list::size

Synopsis

size_type size() const noexcept; (since C++11)
(until C++14)
constexpr size_type size() const noexcept; (since C++14)

Returns the number of elements in the initializer list, i.e. std::distance(begin(),
end()).

Parameters

(none)

Return value

the number of elements in the initializer list

Complexity

Constant

Example

// Run this code

#include <initializer_list>
int main() { static_assert(std::initializer_list{1,2,3,4}.size() == 4); }