From: Gennady <gfb@...>
Date: 2003-02-07T07:14:01+09:00
Subject: Re: What does IRB's "=>" show?

It calls 'inspect' on the result of an expression and displays it. You can
instruct irb to use to_s instead, for instance with command line
option --noinspect.

Gennady.

----- Original Message -----
From: "Daniel Carrera" <dcarrera@math.umd.edu>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Thursday, February 06, 2003 2:07 PM
Subject: What does IRB's "=>" show?


> I don't quite understand what irb's "=>" is showing.  In particular, I'd
like to
> know how to change it.
>
> Currently I get:
>
> >> p = X**2 - 1
> => #<Math::Polynomial::Poly:0x1a4c48 @coeffs=[-1, 0, 1]>
>
> And I'd rather it produce something like:
>
> >> p = X**2 - 1
> => X**2 - 1
>
> Or better yet:
>
> >> p = X**2 - 1
> =>
>    2
>   X  - 1
> >>
>
> Is this possible?
>
> --
> Daniel Carrera
> Graduate Teaching Assistant.  Math Dept.
> University of Maryland.  (301) 405-5137
>
>