anchor.diff:    :ok)
   
   (rtest:deftest :read-sb64/le
  -  (read-test 'nibbles:read-ub64/le 8 t nil)
  -  :ok)
  +  (read-test 'nibbles:read-sb64/le 8 t nil)
  +  :ok)
  
positive.code:   :ok)
  
  (rtest:deftest :read-sb32/be
    (read-test 'nibbles:read-ub32/be 4 t t)
    :ok)
  
  (rtest:deftest :read-ub64/be
  
negative.code:   :ok)
  
  (rtest:deftest :read-sb16/le
    (read-test 'nibbles:read-sb16/le 2 t nil)
    :ok)
  
  (rtest:deftest :read-ub32/le
  