From: Matthew Kerwin <matthew@...>
Date: 2013-02-08T06:15:19+09:00
Subject: [ruby-core:52006] Re: [ruby-trunk - Feature #7792] Make symbols and strings the same thing

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On 8 February 2013 03:01, jeremyevans0 (Jeremy Evans) <
merch-redmine@jeremyevans.net> wrote:

>
> phluid61 (Matthew Kerwin) wrote:
> >  > Take the Sequel library for instance.
> >
> >  No thanks, apparently the authors don't know the difference between
> Symbols
> >  and Strings.
>
> Sequel uses symbol keys instead of string keys intentionally.  Sequel maps
> SQL features directly to ruby objects, mapping SQL identifiers
> (columns/tables/aliases) to ruby symbols and SQL strings to ruby strings.
> SQL query results can be thought of as a mapping of SQL identifiers to the
> values for each identifier in the query, thus Sequel uses a hash with
> symbol keys.


Sorry, I was being glib.

Interestingly, this is actually an example of Symbols being used correctly
(or at least, not just out-right incorrectly).  It's a pity people see this
is a problem to be worked around, rather than a feature.

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<div dir=3D"ltr"><div class=3D"gmail_extra"><div class=3D"gmail_quote">On 8=
 February 2013 03:01, jeremyevans0 (Jeremy Evans) <span dir=3D"ltr">&lt;<a =
href=3D"mailto:merch-redmine@jeremyevans.net" target=3D"_blank">merch-redmi=
ne@jeremyevans.net</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><br><div class=3D"im">
phluid61 (Matthew Kerwin) wrote:<br>
&gt; =A0&gt; Take the Sequel library for instance.<br>
&gt;<br>
&gt; =A0No thanks, apparently the authors don&#39;t know the difference bet=
ween Symbols<br>
&gt; =A0and Strings.<br>
<br>
</div>Sequel uses symbol keys instead of string keys intentionally. =A0Sequ=
el maps SQL features directly to ruby objects, mapping SQL identifiers (col=
umns/tables/aliases) to ruby symbols and SQL strings to ruby strings. SQL q=
uery results can be thought of as a mapping of SQL identifiers to the value=
s for each identifier in the query, thus Sequel uses a hash with symbol key=
s.</blockquote>
<div><br></div><div>Sorry, I was being glib.<br><br></div><div>Interestingl=
y, this is actually an example of Symbols being used correctly (or at least=
, not just out-right incorrectly).=A0 It&#39;s a pity people see this is a =
problem to be worked around, rather than a feature. <br>
</div></div></div></div>

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