From: dblack@...
Date: 2007-07-24T19:11:45+09:00
Subject: Re: case equality question

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Hi --

On Tue, 24 Jul 2007, F. Senault wrote:

> Le 24 juillet 2007 =E0 11:55, Phil Meier a =E9crit :
>
>> Why does Ruby goes to the when String case even if (param_value =3D=3D=
=3D
>> String) is false?
>
> I've been very suprised with this recently, but...
>
>>> 'a' =3D=3D=3D String
> =3D> false
>>> 1 =3D=3D=3D String
> =3D> false
>
>>> String =3D=3D=3D 'a'
> =3D> true
>>> String =3D=3D=3D 1
> =3D> false

Don't be surprised -- it would be very weird the other way.  You'd
have to do:

   case String
   when "abc"

and so forth.  It wouldn't really be useable as the basis of a case
structure.


David

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