W3cubDocs

/C++

std::initializer_list::size

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

Exceptions

noexcept specification:
noexcept

Complexity

Constant.

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/utility/initializer_list/size