Module: Treebank::Alphabet

Defined in:
lib/treebank/alphabet.rb

Constant Summary collapse

ALPHABET = 
("a".."z").to_a

Class Method Summary collapse

Class Method Details

.next_letter(letter) ⇒ Object 



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# File 'lib/treebank/alphabet.rb', line 5

def self.next_letter(letter)
  i = ALPHABET.find_index(letter)
  ALPHABET[i + 1]
  # do more here when we run out of letters
end