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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Binary and XML serialization of types
Date: Thu, 23 Jan 2014 22:44:16 +0000
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Date: 2014-01-23T22:44:16+00:00
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adambeneschan@gmail.com writes:

> What's going on is that if some client package says "with A.Types" and
> uses the Guid_Write type, and uses Guid_Write'Write(...) or
> Guid_Write'Output(...), the client has to know that there's a Write
> routine that isn't the default.  That's why the "for Guid_Write'Write
> use ..." has to be in the visible part of A.Types, so that other
> clients are allowed to know about it.

The type was called Guid.

But, more importantly, are you sure about this? GNAT's
Ada.Containers.Vectors, for example, declares the stream-related stuff
in the private part.