std::initializer_list<T>::size

Obtains the number of elements in the initializer list.

# Declarations

size_type size() const noexcept;

(since C++11) (constexpr since C++14)

# Return value

std::distance(begin(), end())

# Example

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