C++ function inside main

C++ main function

int main() {
  
  //Your code... Or someone elses, doesn't really matter.
  
  return 0;
}

C++ function inside main

auto fac = [] (unsigned int val) {
    return val*42;
};
// With the rise of C++11 a while back, you can now have local functions whose syntax is 
// a little reminiscient of JavaScript:

Source: stackoverflow.com

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