[fpc-pascal] Typecasting by accident

Matt Emson memsom at interalpha.co.uk
Tue May 16 00:21:12 CEST 2006

> No. Typecasts, as any other aspect of a language, has to have rules.
> AFAIR this cast in Delphi would require another cast from AnsiString
> to Pointer. And if typed pointers is enabled would require another
> cast from Pointer to TObject.

Nope. The C style cast is not type safe. Using the "as" operator is.

  p: pointer;
  i: integer;
  i := 10;
  p := TObject(i); //will work, but is invalid
  p := (i as TObject); //should fail (not tried) because i is not compatible


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