fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct C
  5. {
  6. 	C(): a(0) {}
  7. 	mutable int a;	
  8. };
  9.  
  10. int main() {
  11.  
  12. 	C c;
  13.  
  14. 	c.a = 10;
  15.  
  16. 	const C cc;
  17.  
  18. 	cc.a = 42; // без mutable эта строчка не компилируется
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3336KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/HipARx
language:
C++14 (gcc 8.3)
created:
10 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!