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Re: [Qemu-devel] [PATCH v6 15/36] qapi: Document new 'alternate' meta-ty


From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH v6 15/36] qapi: Document new 'alternate' meta-type
Date: Tue, 28 Apr 2015 10:27:09 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Eric Blake <address@hidden> writes:

> The next patch will quit special-casing "'union':'Foo',
> 'discriminator':{}" and instead use "'alternate':'Foo'".
>
> Separating docs from implementation makes it easier to focus
> on wording without holding up code.  In particular, making
> alternate a separate type makes for a nice type hierarchy:
>
>           /-------- meta-type ------\
>          /              |            \
>     simple types    alternate     complex types
>     |         |                   |           |
>  built-in   enum             type(struct)   union
>  |       \    /                            /    \
> numeric  string                         simple  flat
>
> A later patch will then clean up 'type' vs. 'struct'
> confusion.
>
> Signed-off-by: Eric Blake <address@hidden>

Reviewed-by: Markus Armbruster <address@hidden>



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