From: Matthew Kerwin <matthew@...>
Date: 2012-12-10T08:41:49+09:00
Subject: Re: Array#concat Enumerator

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I've also used #push when I want to make it explicitly clear that I'm using
#push and #pop as opposed to #shift and #unshift, especially when both sets
of operations are possible in the same code (e.g. when using a double-ended
queue).


On 10 December 2012 08:15, Robert Klemme <shortcutter@googlemail.com> wrote:

> On Sun, Dec 9, 2012 at 7:24 PM, Marc Heiler <lists@ruby-forum.com> wrote:
> > Who uses .push when .<< is so much nicer.
>
> That lies in the eye of the beholder, doesn't it?  A typical use case
> is when you want to append several values which are not stored in an
> Enumerable.  Using << can become quite lengthy because " << " takes
> more space than ", ".
>
> Kind regards
>
> robert
>
> --
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/
>
>


-- 
  Matthew Kerwin, B.Sc (CompSci) (Hons)
  http://matthew.kerwin.net.au/
  ABN: 59-013-727-651

  "You'll never find a programming language that frees
  you from the burden of clarifying your ideas." - xkcd

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I&#39;ve also used #push when I want to make it explicitly clear that I&#39=
;m using #push and #pop as opposed to #shift and #unshift, especially when =
both sets of operations are possible in the same code (e.g. when using a do=
uble-ended queue).<div class=3D"gmail_extra">
<br><br><div class=3D"gmail_quote">On 10 December 2012 08:15, Robert Klemme=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:shortcutter@googlemail.com" target=
=3D"_blank">shortcutter@googlemail.com</a>&gt;</span> wrote:<br><blockquote=
 class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex">
<div class=3D"im">On Sun, Dec 9, 2012 at 7:24 PM, Marc Heiler &lt;<a href=
=3D"mailto:lists@ruby-forum.com">lists@ruby-forum.com</a>&gt; wrote:<br>
&gt; Who uses .push when .&lt;&lt; is so much nicer.<br>
<br>
</div>That lies in the eye of the beholder, doesn&#39;t it? =A0A typical us=
e case<br>
is when you want to append several values which are not stored in an<br>
Enumerable. =A0Using &lt;&lt; can become quite lengthy because &quot; &lt;&=
lt; &quot; takes<br>
more space than &quot;, &quot;.<br>
<br>
Kind regards<br>
<div class=3D"HOEnZb"><div class=3D"h5"><br>
robert<br>
<br>
--<br>
remember.guy do |as, often| as.you_can - without end<br>
<a href=3D"http://blog.rubybestpractices.com/" target=3D"_blank">http://blo=
g.rubybestpractices.com/</a><br>
<br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
=A0 Matthew Kerwin, B.Sc (CompSci) (Hons)<br>=A0 <a href=3D"http://matthew.=
kerwin.net.au/" target=3D"_blank">http://matthew.kerwin.net.au/</a><br>=A0 =
ABN: 59-013-727-651<br>
<br>=A0 &quot;You&#39;ll never find a programming language that frees<br>=
=A0 you from the burden of clarifying your ideas.&quot; - xkcd<br>
</div>

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