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how to check datatype of a variable in c++

#include <typeinfo>
...
cout << typeid(variable).name() << endl;
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check variable type c++

	if (typeid(variable) == typeid(std::string)) {
		std::cout << variable << " is a string" << std::endl;
	}
	else {
		std::cout << variable << " is not a string" << std::endl;
	}//you can do this for every type 
Comment

how to know datatype of something in c++

int k;
cout << typeid(k).name() << endl;
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