From: Jordi Bunster <jordi@...>
Date: 2009-11-01T01:52:10+09:00
Subject: Re: In-place parameter modification

On Oct 31, 2009, at 12:44 PM, Robert Gleeson wrote:

> Yup, you can write your own mutating methods that mutate the
> receiver(like chomp!, gsub!, sub!, and so on), but you can't mutate  
> any
> of the core classes because you cannot reassign self.

Some core classes know how to replace themselves:

class String
   def clobber!
     replace ''
   end
end

I wonder why Object (or BasicObject) doesn't know this trick.

I also wonder why "replace" isn't called "replace!" :)

--
	Jordi