From: Mohammad Khan <mkhan@...>
Date: 2004-10-30T06:50:12+09:00
Subject: Re: Another scrach on head

On Fri, 2004-10-29 at 17:42, Zach Dennis wrote:
> Mohammad Khan wrote:
> 
> >>David,
> >>
> >>I don't agree at this point, I would like to say
> >>
> >>puts "a is neither nil, nor false, nor FALSE" if a
> >>puts "a is true"                              if a == true
> >>
> >>I consider nil, false and true as three different entity.
> >>I don't need to show you irb screen output to illustrate it.
> >>
> >>Thanks,
> >>Mohammad
> >>
> >>    
> >>
> >
> >Correcting myself,
> >if it is  (not nil and  not false and  not FALSE)
> >only remaining state is .. true or TRUE !!
> >
> >  
> >
> I fail to see where the problem is. if *a* is not an instance of the 
> NilClass or the FalseClass and *a* does not evaluate to nil or false, 
> then it will always evaluate to true in a boolean expression. ie:
> 
> puts "a is neither nil && is not false && is not FALSE" if a
> 
> Where do you see that that will fail?
> 
> Also, if *a* is an instance of the TrueClass then it will equal true. ie;
> 
> puts "a is true" if a == true
> 
> if a is literally an instance of the TrueClass, but not if *a* is an 
> instance of anything else.
> 
> Where are you seeing a problem?
> 
> Zach
> 

Hi Zach,

I already corrected myself.
Sorry for confusion.

--
Mohammad