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“how to check datatype of a variable in c++” Code Answer’s

how to check datatype of a variable in c++

cpp by pirateksh on May 29 2020 Donate

#include <typeinfo>
...
cout << typeid(variable).name() << endl;

Source: stackoverflow.com

how to check the datatype of a variable in c++

cpp by Inquisitive Ibis on Jun 16 2020 Donate

#include <typeinfo>
#include <iostream>

class someClass { };

int main(int argc, char* argv[]) {
    int a;
    someClass b;
    std::cout<<"a is of type: "<<typeid(a).name()<<std::endl; 
  	// Output 'a is of type int'
    std::cout<<"b is of type: "<<typeid(b).name()<<std::endl; 
  	// Output 'b is of type someClass'
    return 0;
  	// on the online compiler it comes as 'i' for int and 'c' for char
}