std::multimap::size
From cppreference.com
| size_type size() const; |
||
Returns the number of elements in the container, i.e. std::distance(begin(), end()).
Contents |
[edit] Parameters
(none)
[edit] Return value
the number of elements in the container
[edit] Exceptions
[edit] Complexity
Constant
[edit] Example
The following code uses size to display the number of elements in a std::multimap<int>:
#include <multimap> #include <iostream> int main() { std::multimap<int, char> nums {{1, 'a'}, {3, 'b'}, {5, 'c'}, {7, 'd'}}; std::cout << "nums contains " << nums.size() << " elements.\n"; }
Output:
nums contains 4 elements.
[edit] See also
| checks whether the container is empty (public member function) | |
| returns the maximum possible number of elements (public member function) | |
