USING: nibble-arrays tools.test sequences kernel math ;

[ -1 <nibble-array> ] [ T{ bad-array-length f -1 } = ] must-fail-with

{ t } [ 16 <iota> dup >nibble-array sequence= ] unit-test
{ N{ 4 2 1 3 } } [ N{ 3 1 2 4 } reverse ] unit-test
{ N{ 1 4 9 0 9 4 } } [ N{ 1 2 3 4 5 6 } [ sq ] map ] unit-test