More cool/stupid Method#to_proc tricks

parasite.rb

#!/usr/bin/env ruby -wKU

### A parasitic class
class Parasite

    ### Make all future instances of the Parasite actually call
    ### methods of the +victim+ instead.
    def self.infest( victim )
        victim.methods.each do |m|
            meth = victim.method( m )
            define_method( m, &meth )
        end
    end

end

a_string = "hey, I'm a string! No, really! I feel kinda funny, though."
Parasite.infest( a_string )

p a_string
p Parasite.new

p a_string.object_id
p Parasite.new.object_id

p a_string.length
p Parasite.new.length

p a_string.gsub( /[aeiou]/i, '' )
p Parasite.new.gsub( /[aeiou]/i, '' )

# Output: 
# "hey, I'm a string! No, really! I feel kinda funny, though."
# "hey, I'm a string! No, really! I feel kinda funny, though."
# 2151901380
# 2151901380
# 58
# 58
# "hy, 'm  strng! N, rlly!  fl knd fnny, thgh."
# "hy, 'm  strng! N, rlly!  fl knd fnny, thgh."