From: Glen Holcomb <damnbigman@...>
Date: 2008-08-01T05:35:03+09:00
Subject: Re: Needing help with which to_s gets called

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On Thu, Jul 31, 2008 at 2:31 PM, John Winters <john@sinodun.org.uk> wrote:

> Sebastian Hungerecker wrote:
> > John Winters wrote:
> >> Why when Able is a sub-class of Array does my to_s method get ignored?
> >
> > Because puts special cases arrays, not calling to_s on them at all.
> > If you compare  puts [1,2,3]  to  puts [1,2,3].to_s  you will see
> > that this is the case (puts [1,2,3] is just like puts 1,2,3 printing
> > each number on its own line instead of having it all in one line like
> > you get with to_s.
>
> Thanks for that.  There certainly seems to be some sort of
> special-casing going on, but it's more widespread than just puts.
>
> I tried the test case which you suggested and see exactly what you said.
> However I also went back to my original code and changed the "puts" line
> from:
>
> puts item
>
> to:
>
> output = item.to_s
> puts output
>
> and I still get the same oddity so it's clearly not just puts doing it.
>
> Do you have a reference where I can read up more on this?
>
> TIA,
> John
> --
> Posted via http://www.ruby-forum.com/.
>
>
output is an instance of Baker so Ruby will invoke Baker's to_s method.

-- 
"Hey brother Christian with your high and mighty errand, Your actions speak
so loud, I can't hear a word you're saying."

-Greg Graffin (Bad Religion)

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