[ 2drop 0 < ]
[ [ drop ] 2dip length > ]
[ drop > ]
- } 3|| [ 3drop f ] [ slice boa ] if ; inline
+ } 3|| [ 3drop f ] [ <slice-unsafe> ] if ; inline
:: take-sequence ( sequence-parser sequence -- obj/f )
sequence-parser [ n>> dup sequence length + ] [ sequence>> ] bi