: first-subseq ( seq separators -- n separator )
tuck
[ [ subseq-index ] dip 2array ] withd map-index sift-keys
- [ drop f f ] [ [ first ] infimum-by first2 rot nth ] if-empty ;
+ [ drop f f ] [ [ first ] minimum-by first2 rot nth ] if-empty ;
: multisplit ( string separators -- seq )
'[