From: "David A. Black" <dblack@...>
Date: 2008-12-29T21:16:55+09:00
Subject: Re: use not equal(!=) operator as a Symbol.

Hi --

On Mon, 29 Dec 2008, Ryan Davis wrote:

>
> On Dec 28, 2008, at 22:58 , Jun Young Kim wrote:
>
>> irb(main):008:0> a.send('!=', 2)
>> NoMethodError: undefined method `!=' for 1:Fixnum
>> 	from (irb):8:in `send'
>> 	from (irb):8
>> 	from :0
>
> there is no '!=' method, there is only '=='. you should send '==' and not/! 
> the result:
>
> ! a.send('==', 2)

In 1.9 != becomes a method:

$ ruby19 -ve 'p 1.send("!=", 2)'
ruby 1.9.1 (2008-12-14 revision 20738) [i386-darwin9.5.0]
true


David

-- 
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