std::priority_queue<T,Container,Compare>::size
size_type size() const; |
Returns the number of elements in the container adaptor. Equivalent to: return c.size().
Return value
The number of elements in the container adaptor.
Complexity
Constant.
Example
#include <cassert>
#include <queue>
int main()
{
std::priority_queue<int> queue;
assert(queue.size() == 0);
const int count = 8;
for (int i = 0; i != count; ++i)
queue.push(i);
assert(queue.size() == count);
}
See also
| checks whether the container adaptor is empty (public member function) |
|
|
(C++17)(C++20) | returns the size of a container or array (function template) |
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