std::flat_multiset<Key,Compare,KeyContainer>::size - cppreference.com (original) (raw)

| size_type size() const noexcept; | | (since C++23) | | --------------------------------- | | ------------- |

Returns the number of elements in the container adaptor. Equivalent to: return c.size().

[edit] Parameters

(none)

[edit] Return value

The number of elements in the container adaptor.

[edit] Complexity

Constant.

[edit] Example

#include #include   int main() { std::flat_multiset nums{4, 2, 4, 2}; assert(nums.size() == 4); }

[edit] See also

| | checks whether the container adaptor is empty (public member function) [edit] | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | returns the size of a container or array (function template) [edit] | | | returns the maximum possible number of elements (public member function) [edit] |