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multiple contexts in package

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  multiple contexts in package Sebastian Hofer <sebhofer@gmail.com> - 2011-04-06 09:12 +0000
    Re: multiple contexts in package David Bailey <dave@removedbailey.co.uk> - 2011-04-07 12:07 +0000

#1508 — multiple contexts in package

I'd like to create a context for semi-hidden symbols (i.e. only provided if explicitly loaded) in one of my packages. How can I achieve such a thing?
My best bet was the following (inspired by looking at the Parallel package):

BeginPackage["Package`"]
(*visible symbols*)

BeginPackage["Package`Hidden`"]
(*semi hidden symbols*)
EndPackage[]

Begin["`Private`"]
(*hidden symbolds*)
End[]
EndPackage[]

Trying to load Package`Hidden` does not load anything though. Where am I going wrong?

Best regards,
Sebastian

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#1527

On 06/04/2011 10:12, Sebastian Hofer wrote:
> I'd like to create a context for semi-hidden symbols (i.e. only provided if explicitly loaded) in one of my packages. How can I achieve such a thing?
> My best bet was the following (inspired by looking at the Parallel package):
>
> BeginPackage["Package`"]
> (*visible symbols*)
>
> BeginPackage["Package`Hidden`"]
> (*semi hidden symbols*)
> EndPackage[]
>
> Begin["`Private`"]
> (*hidden symbolds*)
> End[]
> EndPackage[]
>
> Trying to load Package`Hidden` does not load anything though. Where am I going wrong?
>
> Best regards,
> Sebastian
>

Maybe this is obvious to you already, but you can always create symbols 
in contexts with arbitrary names, just by typing the full name:

In[624]:= Foo`fred=0

Out[624]= 0

In[625]:= ?Foo`*

Foo`fred

Foo`fred=0

David Bailey
http://www.dbaileyconsultancy.co.uk

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