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Magic behind FreeAndNil
Delphi 10.4 Sydney brings one small but rather significant change. A change in the signature of the FreeAndNil procedure from
procedure FreeAndNil(var Obj); inline; to procedure FreeAndNil(const [ref] Obj: TObject); inline; Wait, const means the variable is passed as a constant and cannot be changed from within the procedure.  Weiterlesen... |
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