[ t ] [
V{ 1 2 3 4 } dup underlying>> length
- >r clone underlying>> length r>
+ [ clone underlying>> length ] dip
=
] unit-test
[ 4 ] [ 5 V{ 1 2 3 4 5 } index ] unit-test
[ t ] [
- 100 >array dup >vector <reversed> >array >r reverse r> =
+ 100 >array dup >vector <reversed> >array [ reverse ] dip =
] unit-test
[ fixnum ] [ 1 >bignum V{ } new-sequence length class ] unit-test