Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/runge/string.rb

Instance Method Summary collapse

Instance Method Details

#runge ⇒ Object 



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# File 'lib/runge/string.rb', line 16

def runge
  split(/(\W)/).map(&:runge_string).join
end

#runge_string ⇒ Object

munge each string



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# File 'lib/runge/string.rb', line 3

def runge_string
  # don't mutate short strings
  if length == 1 || length == 2
    self
  # don't mutate integers
  elsif to_i > 0
    self
  # munge each string
  else
    split('').each_with_index { |x, i| x.succ! if i.odd? }.join
  end
end