fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template< typename T > class buffer
  5. {
  6.     public:
  7. 	T * data;
  8. 	buffer(){data = new T[10];}
  9.     const T & operator [] ( size_t i) const {return data[i];}
  10.           T & operator [] ( size_t i){return data[i];}
  11.  
  12.     operator const T * () const;
  13.     operator       T * ();
  14. };
  15.  
  16. int main() {
  17. 	buffer< int > buf;
  18.     buf[ 0 ] = 5; // Generates an error
  19.     std::cout<< buf[0];
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 3228KB
comments ()
stdin
copy 
Standard input is empty
stdout
copy 
5
https://ideone.com/m9G3NN
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!