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From: Markus Armbruster <armbru@redhat.com>
References: <1447836791-369-1-git-send-email-eblake@redhat.com>
	<1447836791-369-37-git-send-email-eblake@redhat.com>
Date: Wed, 18 Nov 2015 20:04:08 +0100
In-Reply-To: <1447836791-369-37-git-send-email-eblake@redhat.com> (Eric
	Blake's message of "Wed, 18 Nov 2015 01:53:11 -0700")
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Subject: Re: [Qemu-devel] [PATCH v12 36/36] qapi: Shorter visits of optional
	fields
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To: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org, Michael Roth <mdroth@linux.vnet.ibm.com>

Eric Blake <eblake@redhat.com> writes:

> For less code, reflect the determined boolean value of an optional
> visit back to the caller instead of making the caller read the
> boolean after the fact.
>
> The resulting generated code has the following diff:
>
> |-    visit_optional(v, &has_fdset_id, "fdset-id");
> |-    if (has_fdset_id) {
> |+    if (visit_optional(v, &has_fdset_id, "fdset-id")) {
> |         visit_type_int(v, &fdset_id, "fdset-id", &err);
> |         if (err) {
> |             goto out;
> |         }
> |     }
>
> Signed-off-by: Eric Blake <eblake@redhat.com>

Feels like a wash to me, but I'm willing to take it anyway, in
recognition of the massive amount of work you've been doing in this area
:)