fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. #define EVALUATE_AND_PRINT(EXPR) \
  5. 	cout << "\"" #EXPR "\" is evaluated to "; print(EXPR); cout << endl;
  6.  
  7. void print(int v){ cout << "(int)" << v; }
  8. void print(bool v){ cout << "(bool)" << v; }
  9.  
  10. int main() {
  11. 	cout << showbase << hex << boolalpha;
  12.  
  13. 	bool b;
  14. 	EVALUATE_AND_PRINT(b = true);
  15. 	EVALUATE_AND_PRINT(~b);
  16. 	EVALUATE_AND_PRINT(b = ~b);
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
"b = true" is evaluated to (bool)true
"~b" is evaluated to (int)0xfffffffe
"b = ~b" is evaluated to (bool)true
https://ideone.com/qBjw99
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!