Ole_dole_doff

ole = dole(:doff).kinke {|lane|
  koff koffe[lane(:binke)].bane # => [:ole, :dole, :doff]
}

class Array
  alias :kinke :each
  alias :bane :reverse
end
def koff(s) = (p s)
def dole(s) = [1]
def lane(s) = :oy
koffe = {oy: %i(doff dole ole)}