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Discussion on: Daily Challenge #210 - Separate Capitalization

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Nilbert •

Ruby

method = ->(s) { s.each_char.with_index.map { |c,i| [c.downcase,c.upcase].rotate(i[0])}.transpose.map(&:join)}

method.call 'dev'
=> ["dEv", "DeV"]

method.call 'method'
=> ["mEtHoD", "MeThOd"]

method.call 'hello'
=> ["hElLo", "HeLlO"]