From: Robert Klemme <shortcutter@...>
Date: 2007-10-12T15:35:20+09:00
Subject: Re: will #in? be in ruby2? (was Re: Finding shared elements between to arrays.)

2007/10/12, George <george.ogata@gmail.com>:
> On 10/10/07, Alex Gutteridge <alexg@kuicr.kyoto-u.ac.jp> wrote:
> > On 10 Oct 2007, at 14:06, Peņa, Botp wrote:
> > Daniel's point (I think) is that this pollutes the top level Object
> > with a property which for many (most?) Objects is never relevant. If
> > you never put it an Object into a collection then the idea of being
> > 'in' something makes no sense.
>
> Just playing devil's advocate, but could the same thing not be said
> for Object#hash ?

Hehe, very true.  I think the judgment whether to put a method in
Object should rather be whether it is sufficient general - which makes
it harder to put down #in?.

Me personally I am rather unbiased on this one apart from that I do
not find the current state of affairs difficult to understand or use.
My 0.02EUR

Kind regards

robert