Thread safe queue

threadsafe_queue.h

#include <queue>
#include <mutex>
#include <condition_variable>

template <typename T> class threadsafe_queue
{
	private:
		std::mutex mut;
		std::queue<T> data_queue;
		std::condition_variable data_cond;
	public:
		void push (T new_value) {
			std::lock_guard<std::mutex> lk(mut);
			data_queue.push(new_value);
			data_cond.notify_one();
		}
	
		void wait_and_pop(T & value)  {
			std::unique_lock<std::mutex> lk(mut);
			data_cond.wait(lk,[this]{return !data_queue.empty();});
			value = data_queue.front();
			data_queue.pop();
		}

};