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Conundrum, sample of UTF-8 in Ruby 1.9.2
# encoding: utf-8
# conundrum.rb
alias:lambda
alias: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"
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