std::initializer_list<T>::size

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initializer_list

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(C++20)

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(C++20)

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(C++20)

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std::initializer_list

Member functions
initializer_list::initializer_list
Capacity
initializer_list::size
Iterators
initializer_list::begin
initializer_list::end
Non-member functions
begin(std::initializer_list)
end(std::initializer_list)

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size_type size()constnoexcept;		(since C++11) (constexpr since C++14)

Obtains the number of elements in the initializer list.

[edit]Parameters

(none)

[edit]Return value

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

[edit]Complexity

Constant

[edit]Example

Run this code

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

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std::initializer_list<T>::size

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