std::initializer_list<T>::size

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std::initializer_list
 
size_type size() const noexcept;
 (since 哋它亢++11)
(until 哋它亢++14)
constexpr size_type size() const noexcept;
 (since 哋它亢++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); }
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