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Re: Share symbols among packages

  • To: mathgroup at smc.vnet.net
  • Subject: [mg97372] Re: Share symbols among packages
  • From: Albert Retey <awnl at gmx-topmail.de>
  • Date: Thu, 12 Mar 2009 02:16:51 -0500 (EST)
  • References: <gp82if$2l4$1@smc.vnet.net>

Hi,

> How to use Global symbols in several user packages?

you shouldn't :-), but it's possible anyway:

> That is, I have:
> 
> BeginPackage["MyPack1`"]
> 
> myVar::usage="My var";
> 
> myFun1::usage="My fun1";
> 
> Begin["`Private`"];
> ...
> (* use myVar *)
> ...
> End[]
> EndPackage[]
>

changing the code of the second package to:

BeginPackage["MyPack2`",{"MyPack1`"}]

myFun2::usage="My fun2";

Begin["`Private`"];

(* use myVar *)

End[]
EndPackage[]

should work, the second argument to BeginPackage imports the packages
listed. Of course you might want to use a third package which contains
just the globals and import that to both packages...

hth,

albert


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