[ ] [ 1000 iota [ dup sq ] H{ } map>assoc "testhash" set ] unit-test
[ V{ } ]
-[ 1000 iota [ dup sq swap "testhash" get at = not ] filter ]
+[ 1000 iota [ dup sq swap "testhash" get at = ] reject ]
unit-test
[ t ]
[ 1 ] [ 2 "h" get at ] unit-test
! Random test case
-[ "A" ] [ 100 iota [ dup ] H{ } map>assoc 32 over delete-at "A" 32 pick set-at 32 swap at ] unit-test
+[ "A" ] [ 100 iota [ dup ] H{ } map>assoc 32 over delete-at "A" 32 pick set-at 32 of ] unit-test