std::list<T,Allocator>::size - cppreference.com
From cppreference.com
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(until C++11) | |
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(since C++11) | |
Returns the number of elements in the container, i.e. std::distance(begin(), end()).
Parameters
(none)
Return value
The number of elements in the container.
Complexity
| Constant or linear. | (until C++11) |
| Constant. | (since C++11) |
Example
The following code uses size to display the number of elements in a std::list:
#include <iostream> #include <list> int main() { std::list<int> nums{1, 3, 5, 7}; std::cout << "nums contains " << nums.size() << " elements.\n"; }
Output:
nums contains 4 elements.
See also
| checks whether the container is empty (public member function) [edit] | |
| returns the maximum possible number of elements (public member function) [edit] | |
| changes the number of elements stored (public member function) [edit] |