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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__ in C/C++?
Here we will see what are the differences between __FUNCTION__, __func__ and the __PRETTY_FUNCTION__ in C++.
Basically the __FUNCTION__ and __func__ are same. Some old versions of C and C++ supports __func__. This macro is used to get the name of the current function. The _PRETTY_FUNCTION__ is used to return the detail about the function. Using this we can get which function is used, and in which class it is belonging, etc.
Example
#include<iostream>
using namespace std;
class MyClass{
public:
void Class_Function(){
cout << "The result of __PRETTY_FUNCTION__: " << __PRETTY_FUNCTION__ << endl;
}
};
void TestFunction(){
cout << "Output of __func__ is: " << __func__ << endl;
}
main() {
cout << "Output of __FUNCTION__ is: " << __FUNCTION__ << endl;
TestFunction();
MyClass myObj;
myObj.Class_Function();
}Output
Output of __FUNCTION__ is: main Output of __func__ is: TestFunction The result of __PRETTY_FUNCTION__: void MyClass::Class_Function()
Updated on: 30-Jul-2019
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