1 USING: bit-vectors kernel math sequences tools.test vectors ;
4 { 0 } [ 123 <bit-vector> length ] unit-test
7 1234 swap [ [ even? ] dip push ] curry each-integer ;
10 3 <bit-vector> dup do-it
11 3 <vector> dup do-it sequence=
14 { t } [ ?V{ } bit-vector? ] unit-test