A Lover of Delphic Wisdom
Okay, no cheating now. That is, no running the code until you’ve guessed. What is the output of this code? program Project90; {$APPTYPE CONSOLE} {$R *.res} uses System.SysUtils; var S: TObject; begin try S := nil; if S is TObject then begin Writeln(‘Yup’); end else begin Writeln(‘Nope’); end; except on E: Exception do Writeln(E.ClassName, ‘:…
Quote of the Week: “In general, you should always strive to eliminate the passing of null rather than checking for null.” – John Sonmez #DelphiWeek was fun. I followed the hashtag on Twitter, and saw all kinds of fun stuff, from people posting pictures of their old versions of Delphi (all the way back to…
Yesterday I made the following tweet: Never pass nil to a method, and don’t let your methods accept nil as a parameter value. — Nick Hodges (@NickHodges) January 19, 2015 and it started and interesting little discussion on Twitter. (I was actually honored that the great Mark Seemann himself entered into the fray…) Naturally, the…