From: andrew delboy <andrew@...>
Date: 2002-10-22T13:49:47+09:00
Subject: Re: Ruby/Tk newbie question

On Tue, Oct 22, 2002 at 01:23:37PM +0900, Hal E. Fulton wrote:
> ----- Original Message -----
> From: "ursus major" <someone@microsoft.com>
> > ===============================
> > require 'tk'
> >
> > def positionWindow(w,x=300,y=300)
> >   geom = '+300+600'        #<< why does this work,
> >   #geom = '+', x, '+', y       #<<  and this NOT work (when uncommented!),
> >   print geom, "\n"               #<<  when they both print out the same?
> >    w.geometry(geom)         #<<  the commented statement gives an error
> > here!
> > end
> 
> What you want is something like one
> of these:
> 
>   geom = "+#{x}+#{y}"
>   geom = "+" + x.to_s + "+" + y.to_s

Is there a way to concatonate strings without having to use the x.to_s method?

In other words, because "+" is a string to start the expression, wouldnt the
plus operator actually be the '+' method within the string object?  And thus
wouldnt the string want to use 'string values' of the objects they are concatonating?

Can we use the shortcut of 

	geom = "+" + x + "+" + y
??

Thanks
--Andrew