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Functional programming style in Delphi

The Programming Works – Functional programming paradigm gradually finds its way even in Delphi – a procedural language without a garbage collector. Consider the next code sample that changes a button’s caption using extended RTTI (requires Delphi 2010 and above): procedure TForm1.Button1Click(Sender: TObject); var Ctx: TRttiContext; P: TRttiProperty; T: TRttiType; begin T:= Ctx.GetType(TButton); P:= T.GetProperty('Caption'); P.SetValue(Button1, 'RTTI'); end; When analyzing the above code snippet note the following: TRttiContext is a record type; you need not create and destroy a variable ...
Favorite? Off-Topic? Serg @ 2012-02-04 03:57


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