really use vec instead of cons
really use vec instead of cons

hanw/connectal,csail-csg/connectal,csail-csg/connectal,cambridgehackers/connectal,cambridgehackers/connectal,cambridgehackers/connectal,cambridgehackers/connectal,chenm001/connectal,hanw/connectal,csail-csg/connectal,chenm001/connectal,cambridgehackers/connectal,chenm001/connectal,hanw/connectal,csail-csg/connectal,hanw/connectal,chenm001/connectal,chenm001/connectal,csail-csg/connectal,hanw/connectal