Conundrum, sample of UTF-8 in Ruby 1.9.2

conundrum.rb

# encoding: utf-8
# conundrum.rb
alias :λ :lambda
alias :Ω :abort

module Enumerable
  alias :⇔ :collect
  alias :∉ :reject
  alias :∈ :select
  alias :∫ :inject
  alias :∀ :all?
  alias :∃ :any?
end

class Array
  alias :× :each
  alias :⊠ :each_index
  alias :≡ :eql?
  alias :∋ :include?
  alias :∪ :| 
  alias :∩ :& 
end

%w(a b c).× do |letter| puts letter; end

%w(a b c).∪ %w(x y z) do |letter| puts letter; end

%w(a b c).∩ %w(c y z) do |letter| puts letter; end

a = λ {|s| puts s}
a.call('test')

Ω "It is the end"