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Can we use function on left side of an expression in C and C++?

  • Difficulty Level : Easy
  • Last Updated : 29 May, 2017

In C, it might not be possible to have function names on left side of an expression, but it’s possible in C++.

using namespace std;
/* such a function will not be safe if x is non static variable of it */
int &fun()
   static int x; 
   return x;
int main()
   fun() = 10;
   /* this line prints 10 on screen */
   printf(" %d ", fun());
   return 0;

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