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Contexts and Naming of Things

• To: mathgroup at smc.vnet.net
• Subject: [mg25691] Contexts and Naming of Things
• From: Mike Yukish <may106 at psu.edu>
• Date: Thu, 19 Oct 2000 04:35:19 -0400 (EDT)
• Organization: Penn State University, Center for Academic Computing
• Sender: owner-wri-mathgroup at wolfram.com

I have the following code which does not work as I had hoped. I first
declare a function in a package...

BeginPackage["HSSV`cavity`"]
foo::usage = "now is the time..."
Begin["`Private`"]
bar;
nebbish;
foo[x_, y_] := 1 /; y === bar;
foo[x_, y_] := 2 /; y === nebbish;
End[]
EndPackage[]

And then try to run the following simple commands...

foo[1, bar]
foo[1, cavity`bar]
foo[1, HSSV`cavity`bar]

I had thought that the first one would have given me the correct answer,
as it works OK when I do not embed the function definition in a package.
The others were desperate second efforts that also failed. What am I
missing here?

• Follow-Ups:
  • Re: Contexts and Naming of Things
    • From: Jean-Marie THOMAS <jmt@agat.net>