im getting an error when i was trying to test my code i got a main.cpp and a class
main.cpp:5:13: error: use of
undeclared identifier 'T'
FastQueue<T> testing;
^
main.cpp:6:3: error: use of
undeclared identifier 'testing'
testing.enqueue(5);
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#include "FastQueue.h"
#include <iostream>