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  1. class Foo {
  2.   int opApply(scope int delegate(ref int) dg)
  3.   {
  4.     return 0;
  5.   }
  6. }
  7. class Bar {
  8.   Foo foo;
  9.   void hoge() const
  10.   {
  11.     foreach(fuga; foo){
  12.     }
  13.   }
  14. }
  15. void main() {
  16.   (new Bar()).hoge();
  17. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.d(11): Error: function prog.Foo.opApply (scope int delegate(ref int) dg) is not callable using argument types (int delegate(ref int)) const
stdout
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Standard output is empty
https://ideone.com/gGFyS
language:
D (dmd 2.085.0)
created:
12 years ago
visibility:
public

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