From: Fuad Saud <fuadksd@...>
Date: 2013-08-18T22:10:15-03:00
Subject: [ruby-core:56738] Re: [ruby-trunk - Feature #7739] Define Hash#| as Hash#reverse_merge in Rails

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Sorry, I swapped | for + in the last message.
On Aug 18, 2013 5:01 PM, "David MacMahon" <davidm@astro.berkeley.edu> wrote:

>
> On Aug 18, 2013, at 12:34 PM, fuadksd (Fuad Saud) wrote:
>
> > Matz rejected (({+})) for merging, as it is different than addition.
>
> My understanding was that Matz rejected #+ for merging because of a
> concern about how to resolve key conflicts.  Maybe his concern can be
> addressed by providing two Hash operators (e.g. #| for reverse_merge-like
> behavior and #+ for merge-like behavior) each with distinct and well
> defined resolutions for conflicting keys.
>
> Dave
>
>

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<p>Sorry, I swapped | for + in the last message.</p>
<div class=3D"gmail_quote">On Aug 18, 2013 5:01 PM, &quot;David MacMahon&qu=
ot; &lt;<a href=3D"mailto:davidm@astro.berkeley.edu">davidm@astro.berkeley.=
edu</a>&gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
On Aug 18, 2013, at 12:34 PM, fuadksd (Fuad Saud) wrote:<br>
<br>
&gt; Matz rejected (({+})) for merging, as it is different than addition.<b=
r>
<br>
My understanding was that Matz rejected #+ for merging because of a concern=
 about how to resolve key conflicts. =A0Maybe his concern can be addressed =
by providing two Hash operators (e.g. #| for reverse_merge-like behavior an=
d #+ for merge-like behavior) each with distinct and well defined resolutio=
ns for conflicting keys.<br>

<br>
Dave<br>
<br>
</blockquote></div>

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