From: Victor Shepelev <vshepelev@...>
Date: 2006-05-26T14:32:19+09:00
Subject: Re: Method '!='

From: Justin Collins [mailto:collinsj@seattleu.edu]
Sent: Friday, May 26, 2006 8:28 AM
> Victor Shepelev wrote:
> > Hello all.
> >
> > I've tried something like this:
> >
> > 'a'.send('==', 'b') #it works, returns true
> >
> > But
> >
> > 'a'.send('!=', 'b')
> >
> > said to me:
> >
> > tricks.rb:11:in `Kernel#send': undefined method `!=' for "a":String
> > (NoMethodError)
> >
> > Where am I wrong?
> >
> > V.
> >
> >
> >
> 
> a != b gets turned into !(a == b) or something like that.
> 
> So != isn't really a method - it's just syntax.

It's intuitively understandable; but I feel myself very uncomfortable when I
can *call*, but can't *send*. OK, would remember this one.

> -Justin

V.