fork(1) download
copy 
  1.     #include <string>
  2.     #include <iostream>
  3.     using namespace std;
  4.  
  5.     class foo
  6.       {
  7.        public:
  8.        foo();
  9.        foo(long long) {}
  10.        foo(const string &) {}
  11.        operator long long()const { return 666; }
  12.        explicit operator string()const { return "666"; }
  13.       };
  14.  
  15.     int main()
  16.       {
  17. 		foo a;
  18.  
  19. 		string s = a;
  20. 		s = a;
  21.  
  22. 		long long b = a;
  23. 		b = a;
  24.       }
Compilation error #stdin compilation error #stdout 0s 0KB
comments ()
stdin
copy 
Standard input is empty
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:19:14: error: conversion from 'foo' to non-scalar type 'std::string {aka std::basic_string<char>}' requested
   string s = a;
              ^
stdout
copy 
Standard output is empty
https://ideone.com/0PmVhj
language:
C++14 (gcc 8.3)
created:
9 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!