From: dblack@...
Date: 2007-02-16T03:43:33+09:00
Subject: Re: is it behaving strange ?

Hi --

On Fri, 16 Feb 2007, Robert Dober wrote:

> Well I cannot speak for OP but what puzzles me is
>
> a=[42] # sorry 9 is not the number ;)
> *a ==> error # gotta check with 1.9 an 2.0 at home
>
> I would think that this expression can/could/should/might perfectly
> evaluate to 42 look at this other oddity the following code is
> completely legal and POLS(1)
> def x *args
> return *args
> end
> (1) in the sense that a,b,c = x 1,2,3 sets a to 1, b to 2 and c to 3
> and x is a NOP
>
> but return in the last statement is optional, or is it not ;) I know
> you are not falling into my trap !
>
> I see no reason however why
> def x *args
> *args
> end
> should not be legal

I can't think of a case where you'd need it, since the arguments would
just get wrapped up in an array anyway.  Also, *args is basically
equivalent to a bare list, and you can't do:

   def x
     1,2,3
   end


David

-- 
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