[ "xx" ] [ "blahxx" 2 tail* ] unit-test
[ t ] [ "xxfoo" 2 head-slice "xxbar" 2 head-slice = ] unit-test
-[ t ] [ "xxfoo" 2 head-slice "xxbar" 2 head-slice [ hashcode ] bi@ = ] unit-test
+[ t ] [ "xxfoo" 2 head-slice "xxbar" 2 head-slice [ hashcode ] same? ] unit-test
[ t ] [ "xxfoo" 2 head-slice SBUF" barxx" 2 tail-slice* = ] unit-test
-[ t ] [ "xxfoo" 2 head-slice SBUF" barxx" 2 tail-slice* [ hashcode ] bi@ = ] unit-test
+[ t ] [ "xxfoo" 2 head-slice SBUF" barxx" 2 tail-slice* [ hashcode ] same? ] unit-test
[ t ] [ [ 1 2 3 ] [ 1 2 3 ] sequence= ] unit-test
[ t ] [ [ 1 2 3 ] { 1 2 3 } sequence= ] unit-test
[ t ] [ "hi" <reversed> SBUF" hi" <reversed> = ] unit-test
-[ t ] [ "hi" <reversed> SBUF" hi" <reversed> [ hashcode ] bi@ = ] unit-test
+[ t ] [ "hi" <reversed> SBUF" hi" <reversed> [ hashcode ] same? ] unit-test
[ -10 "hi" "bye" copy ] must-fail
[ 10 "hi" "bye" copy ] must-fail