Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!apple!stadler
From: stadler@Apple.COM (Andy Stadler)
Newsgroups: comp.sys.mac.hypercard
Subject: Re: Why no 'case' statement in Hypertalk?  Suggestions?
Message-ID: <53709@apple.Apple.COM>
Date: 6 Jun 91 18:08:29 GMT
References: <1991Jun4.234844.1280@cognet.ucla.edu>
Organization: Apple Computer Inc., Cupertino, CA
Lines: 32

In article <1991Jun4.234844.1280@cognet.ucla.edu> earl@cogdev.cognet.ucla.edu
 (Earl Williams) writes:

>Is there really no 'case' statement in Hypertalk, or am I missing its
>equivalent?  For simple keypress trapping, I'd like to do something like
>
>  [..hypothetical case statement syntax described..]
>
>Instead, I have to use standard if-then-else statements which, when
>formatted, give the false impression that I'm doing nesting.
>
>on keyDown key
>  if key = 'a' then do this else
>    if key = 'b' then do that else
>      if key = 'c' then do the other
>      end if
>    end if
>  end if
>end keyDown

Instead, type it like this:

on keydown key
  if key is 'a' then dosomething
  else if key is 'b' then dosomethingelse
  else if key is 'c' then doyetanother
end keydown

I think this is what you want.

Andy Stadler
Apple Computer, Inc.