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From: Marcin Wolski on 25 May 2010 03:33
Mark T wrote:
> I'm looking for something... kinda 'destructive'....
>
> class Soda
> def initialize
> @brand = "SweetenedSugar" end
>
> def retrieve_brand
> return @brand end end
>
> Soda.removeClassAndMethods # yet to be (found) or
> implemented method.....
>
> irb(main):001:0> Soda.retrieve_brand
> NameError: uninitialized constant Soda
> from (irb):1
> #---------------------------- ^ yep, this error is what I'm looking
> for.....
>
> MarkT

You can remove a method as follows:

class Soda
remove_method :retrieve_brand
end
--
Posted via http://www.ruby-forum.com/.

From: Robert Dober on 25 May 2010 03:46
On Tue, May 25, 2010 at 9:18 AM, Mark T <paradisaeidae(a)gmail.com> wrote:
IIUC you want

Soda = Class::new do
def a; 42 end
end

Soda = Class::new( String ) do
# Completely new class here, the old can indeed be GCed
end

You will get a const redefined warning, but if that hurts there are
solutions, just probably out of topic here.

HTH
R.

--
The best way to predict the future is to invent it.
-- Alan Kay

From: Jesús Gabriel y Galán on 25 May 2010 04:23
On Tue, May 25, 2010 at 9:18 AM, Mark T <paradisaeidae(a)gmail.com> wrote:
> I'm looking for something... kinda 'destructive'....
>
> class Soda
> def initialize
> @brand = "SweetenedSugar" end
>
> def retrieve_brand
> return @brand end end
>
> Soda.removeClassAndMethods           # yet to be (found) or
> implemented method.....
>
> irb(main):001:0> Soda.retrieve_brand
> NameError: uninitialized constant Soda
>        from (irb):1
> #---------------------------- ^ yep, this error is what I'm looking for.....

irb(main):001:0> class Soda
irb(main):002:1> end
=> nil
irb(main):005:0> self.class.send(:remove_const,:Soda)
=> Soda
irb(main):006:0> Soda
NameError: uninitialized constant Soda
from (irb):6
from :0
irb(main):007:0> class Soda < String
irb(main):008:1> end
=> nil

Jesus.

From: Mark T on 25 May 2010 04:29
Thanks all!!

MarkT

From: Robert Dober on 25 May 2010 10:56
2010/5/25 Jesús Gabriel y Galán <jgabrielygalan(a)gmail.com>:

> irb(main):005:0> self.class.send(:remove_const,:Soda)

should that not rather be
Object.send ....

R.

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