std::initializer_list<T>::size
From cppreference.com
size_type size() const noexcept;
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(since C++11) (constexpr since C++14) |
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Obtains the number of elements in the initializer list.
Parameters
(none)
Return value
std::distance(begin(), end())
Complexity
Constant
Example
Run this code
#include <initializer_list>
static_assert(std::initializer_list{1, 2, 3}.size() == 3);
int main() {}