From: Henning von Rosen <henning@...>
Date: 2001-11-22T07:38:00+09:00
Subject: [ruby-talk:26084] Re: differing #args to super.initialize?


----- Original Message -----
From: "Bill Kelly" <billk@cts.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, November 21, 2001 11:24 PM
Subject: [ruby-talk:26080] differing #args to super.initialize?


> Hi all,
>
> I'm probably profoundly missing the obvious here, but why does the
> following:
>
> 00: class A
> 01:     def initialize(a)
> 02:     end
> 03: end
> 04:
> 05: class B < A
> 06:     def initialize(a, b)
> 07:         super.initialize(a)

should be just super(a)

"Within the body of a method, a call to super acts just like a call to that
original method, except that the search for a method body starts in the
superclass " Progr Ruby

> 08:     end
> 09: end
> 10:
> 11: x = B.new(1,2)
>
>
> yield:
> test.rb:7:in `initialize': wrong # of arguments(2 for 1) (ArgumentError)

suppose that is just due to the interpreting process; the interpreter thinks
that you calls the superclass method without specified params, so the first
error found is the original number of params (2).


HTH
/H