eduardopoleo · August 16, 2017 18:38
diff --git a/is_unique_with_hash.rb b/is_unique_with_hash.rb
 def unique_with_hash2(s)
  characters = {}

  s.each_char do |char|
    return false if characters[char]

    characters[char] = true
  end

  return true
 end
	def unique_with_hash2(s)
	characters = {}

	s.each_char do \|char\|
	return false if characters[char]

	characters[char] = true
	end

	return true
	end