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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)

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