# janet 1.10.1 (array/peek @[]) # => nil (array/peek @[1]) # => 1 (array/peek @[1 2]) # => 2 (array/peek [1 2]) # error: expected array, got tuple (array/peek (array [1 2])) # => (1 2) (array/peek (array ;[1 2])) # => 2