Gavin Kistner
5/19/2005 3:01:00 AM
On May 18, 2005, at 7:01 PM, Neville Burnell wrote:
>> Another option that hasn't been mentioned yet is to use delegation.
>> You can have a wrapper around a hash that contains all your
>> additional
>> methods and references a Hash instance.
>
> Could you elaborate with code pls?
class MyHash
def initialize
@hash = {}
end
# Do something special to the hash
def square_all
@hash.each{ |k,v| @hash[k] = v*v }
end
# Pass any method I don't understand on to the hash
def method_missing(meth, *args, &block)
@hash.send(meth, *args, &block)
end
end