From: gz zz <gpygood@126.com>
Date: 2007-06-22T18:16:18+09:00
Subject: Re: Everything in ruby is an object?

Jano Svitok wrote:
> On 6/22/07, Mark Gargan <mark.gargan@gmail.com> wrote:
>> types? I've written a small expression filter that retrieves a boolean
>> expression from the db and I was just wondering if there was a quicker
>> way of processing it other than a case statement.
>>
>> Thanks,
>> Mark.
> 
> No. Expressions are not objects. Objects are true and false, and && ||
> are methods.
> Expressions are series of calls.

I think && is NOT method:
1.try:
class A
  def &&
  end
end

#parse error, unexpected tANDOP   def &&    ^

2.& is a method,but && is not.because ruby eval method's arg

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