fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct A
  5. {
  6.     int x;
  7.     A();
  8.     ~A();
  9.     A(int);
  10. };
  11. A::~A()  {}
  12. A::A() : x(0) {}
  13. A::A(int _x) : x(_x) {}
  14.  
  15. void func(A &a)
  16. {
  17.    a.x=10;
  18.  
  19. }
  20.  
  21. int main() 
  22. {
  23. 	A a;
  24.  
  25.     func(a);
  26.     func(A());
  27.  
  28.     return 0;
  29. }
Compilation error #stdin compilation error #stdout 0s 3452KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:26:13: error: invalid initialization of non-const reference of type 'A&' from an rvalue of type 'A'
     func(A());
             ^
prog.cpp:15:6: note:   initializing argument 1 of 'void func(A&)'
 void func(A &a)
      ^
stdout
copy 
Standard output is empty
https://ideone.com/rQSHen
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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!