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  1. import std.stdio;
  2.  
  3. class Test1
  4. {
  5. public:
  6. 	void hello()
  7. 	{
  8. 		writeln("hello.");
  9. 	}
  10.  
  11. private:
  12. }
  13.  
  14. void main()
  15. {
  16. 	Test1 t1;
  17. 	if (t1 !is null) writeln("o");
  18. 	else writeln("x");
  19.  
  20. 	t1 = new Test1;
  21. 	if (t1 !is null) writeln("o");
  22. 	else writeln("x");
  23.  
  24. 	delete t1;
  25. 	if (t1 !is null) writeln("o");
  26. 	else writeln("x");
  27.  
  28. 	t1 = null;
  29. 	if (t1 !is null) writeln("o");
  30. 	else writeln("x");
  31. }
Success #stdin #stdout 0.01s 2120KB
comments (?)
stdin 
Standard input is empty
stdout 
x
o
x
x
https://ideone.com/bl47V
language:
D (dmd 2.085.0)
created:
14 years ago
visibility:
public

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