diff --git a/extra/sequences/extras/extras.factor b/extra/sequences/extras/extras.factor index 14aee5121a..708b395315 100644 --- a/extra/sequences/extras/extras.factor +++ b/extra/sequences/extras/extras.factor @@ -122,6 +122,9 @@ IN: sequences.extras [ seq ] keep len or swap ] produce nip ; inline +: cut-slice* ( seq n -- before after ) + [ head-slice* ] [ tail-slice* ] 2bi ; + : rotate ( seq n -- seq' ) cut prepend ;