std::queue::size(3) C++ Standard Libary std::queue::size(3) NAME std::queue::size - std::queue::size Synopsis size_type size() const; Returns the number of elements in the container adaptor. Equivalent to return c.size(). Parameters (none) Return value The number of elements in the container adaptor. Complexity Constant. Example // Run this code #include <algorithm> #include <cassert> #include <queue> int main() { std::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 empty checks whether the container adaptor is empty (public member function) size ssize returns the size of a container or array (C++17) (function template) (C++20) http://cppreference.com 2024.06.10 std::queue::size(3)
NAME | Synopsis | Parameters | Return value | Complexity | Example | See also
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