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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: ANN: Ada 2005 Math Extensions, 20100810 release
Date: Fri, 13 Aug 2010 08:54:18 +0200
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"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
>> In other places I've tacked _G on the end of the 'obvious' name:
>> 
>>    generic
>>    package ColdFrame.Events_G.Standard_G.Callback_Manager_G is
>> 
>> and I saw someone else (Ludovic?) doing the same here recently.
>
> I used plural suffix 's' before, but it Generic is clearer and it seems
> like a semi-standard now.

Yes, I did a _G here recently; I let the coding standard of Eurocontrol
(my day job) influence me.  The coding standard says *_G for generics,
*_T for secondary types and just T for types.  Hence:

package S_Expression is -- singlular
   type T is ...; -- the primary type, S_Expression.T
   generic ...
   package Serialization_G is ...
   end Serialization_G;
private
   type Internal_T is ...; -- a secondary (helper) type
end S_Expression;

Over the years I grew used to it and now I like it.  One of the
advantages is that you don't have to struggle to find meaningful names
for parameters; e.g. you can say:

procedure Foo (Internal : out Internal_T) is ...
end Foo;

-- 
Ludovic Brenta.