From: "Peña, Botp" <botp@...>
Date: 2008-04-29T18:22:55+09:00
Subject: Re: Array#first is not Array#[0]

From: Peña, Botp [mailto:botp@delmonte-phil.com] 
# From: Fredrik [mailto:fredjoha@gmail.com] 
# # irb> g.size
# # => "Here you go: 3"
# # That's a strange size :)
# # So this solution solves some problems but creates new ones 
# instead...
# you wanted to put text on all ops
# so even 
# irb> g.last
# => "Here you go: 3"
# is already strange, right?
# my suggestion is if you just want to view some output w text, 
# just wrapped it in a text,
# like so,
# puts "Here you go: #{g.last}"

ok, how about combining what we want, ie, put the text yet still returning the object, so

class MyArray < Array
   Array.instance_methods.each do |m|
     define_method(m) do
       r=super
       puts "Here you go: #{r}"
       r
     end
   end
end
#=> ...

g=MyArray.new [1,2,3]
Here you go: [1, 2, 3]
#=> [1, 2, 3]
g[0]
Here you go: 1
#=> 1
g.first
Here you go: 1
#=> 1
g.last
Here you go: 3
#=> 3
g.size
Here you go: 3
#=> 3
puts "size is: #{g.size}"
Here you go: 3
size is: 3
#=> nil

is that ok?

kind regards -botp