From: Nathan Broadbent <nathan.f77@...>
Date: 2013-01-25T03:31:28+09:00
Subject: [ruby-core:51625] Re: [ruby-trunk - Feature #7739][Open] Define Hash#| as Hash#reverse_merge in Rails

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I would personally love a more concise way to merge/reverse_merge hashes. Would you also propose Hash#& as merge? 

P.S. in your example, a reverse_merge should result in :b => 2 


On Friday, 25 January 2013 at 1:57 AM, alexeymuranov (Alexey Muranov) wrote:

> 
> Issue #7739 has been reported by alexeymuranov (Alexey Muranov).
> 
> ----------------------------------------
> Feature #7739: Define Hash#| as Hash#reverse_merge in Rails
> https://bugs.ruby-lang.org/issues/7739
> 
> Author: alexeymuranov (Alexey Muranov)
> Status: Open
> Priority: Normal
> Assignee: 
> Category: core
> Target version: 
> 
> 
> =begin
> I suggest for to define (({Hash#|})) as (({Hash#reverse_merge})) in ((*Rails*)), in my opinion this would correspond nicely to (({Set#|})), to the logical (({#||})) and to the bitwise (({#|})):
> 
> { :a => 1, :b => 2 } | { :b => 1, :c => 2 } # => { :a => 1, :b => 1, :c => 2 }
> =end
> 
> 
> 
> -- 
> http://bugs.ruby-lang.org/
> 
> 



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    <div id=3D=22reply-content=22>I would personally love a more concise =
way to merge/reverse=5Fmerge hashes. Would you also propose Hash=23&amp; =
as merge=3F
    </div><div id=3D=22reply-content=22><br></div><div id=3D=22reply-cont=
ent=22>P.S. in your example, a reverse=5Fmerge should result in :b =3D&gt=
; 2</div>
    <div id=3D=2281551C72E7C2436485660B1620158E59=22></div>
    =20
    <p style=3D=22color: =23A0A0A8;=22>On =46riday, 25 January 2013 at 1:=
57 AM, alexeymuranov (Alexey Muranov) wrote:</p>
    <blockquote type=3D=22cite=22 style=3D=22border-left-style:solid;bord=
er-width:1px;margin-left:0px;padding-left:10px;=22>
        <div id=3D=22quoted-message-content=22><div><div><br></div><div>I=
ssue =237739 has been reported by alexeymuranov (Alexey Muranov).</div><d=
iv><br></div><div>----------------------------------------</div><div>=46e=
ature =237739: Define Hash=23=7C as Hash=23reverse=5Fmerge in Rails</div>=
<div>https://bugs.ruby-lang.org/issues/7739</div><div><br></div><div>Auth=
or: alexeymuranov (Alexey Muranov)</div><div>Status: Open</div><div>Prior=
ity: Normal</div><div>Assignee: </div><div>Category: core</div><div>Targe=
t version: </div><div><br></div><div><br></div><div>=3Dbegin</div><div>I =
suggest for to define ((=7BHash=23=7C=7D)) as ((=7BHash=23reverse=5Fmerge=
=7D)) in ((*Rails*)), in my opinion this would correspond nicely to ((=7B=
Set=23=7C=7D)), to the logical ((=7B=23=7C=7C=7D)) and to the bitwise ((=7B=
=23=7C=7D)):</div><div><br></div><div>  =7B :a =3D&gt; 1, :b =3D&gt; 2 =7D=
 =7C =7B :b =3D&gt; 1, :c =3D&gt; 2 =7D  =23 =3D&gt; =7B :a =3D&gt; 1, :b=
 =3D&gt; 1, :c =3D&gt; 2 =7D</div><div>=3Dend</div><div><br></div><div><b=
r></div><div><br></div><div>-- </div><div>http://bugs.ruby-lang.org/</div=
></div></div>
        =20
        =20
        =20
        =20
    </blockquote>
    =20
    <div>
        <br>
    </div>

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