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27 lines
508 B
ObjectPascal
27 lines
508 B
ObjectPascal
{$mode objfpc}
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type
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generic TGen<_T> = class
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public
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function Check(ASource: TObject): Boolean;
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end;
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TSpec = specialize TGen<Integer>;
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function TGen.Check(ASource: TObject): Boolean;
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begin
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Result := (ASource is TGen) // this line breaks the compiler...
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and (ASource is ClassType); // ...it should be equivelent to this line
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end;
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var
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f: TSpec;
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o: TObject;
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begin
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f := TSpec.Create;
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o := TObject.Create;
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if not(f.Check(f)) or f.Check(o) then
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halt(1);
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writeln('ok');
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end.
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