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murajun1978/with_index_sample.rb

Created February 25, 2014 15:27
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with_index_sample.rb
# "0:Ruby" "1:mruby" "2:RubyMotion"
%w(Ruby mruby RubyMotion).each_with_index do |name, index|
puts "#{index}:#{name}"
end #=> ["Ruby", "mruby", "RubyMotion"]
# "1:Ruby" "2:mruby" "3:RubyMotion"
%w(Ruby mruby RubyMotion).each.with_index(1) do |name, index|
puts "#{index}:#{name}"
end #=> ["Ruby", "mruby", "RubyMotion"]
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