std::flat_multiset<Key,Compare,KeyContainer>::size

Since C++23

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

# Declarations

size_type size() const noexcept;

(since C++23)

# Return value

The number of elements in the container adaptor.

# Example

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

# See also