def conect_p3
import bend-prot@0.1.0.0/pdb.bend as Pdbimport Base
300def conect_p3(+s0: U32, m3: Maybe<&2, U32>, m4: Maybe<&2, U32>) -> List<&1, U32 & U32>:
301 match m3:
302 case None{}:
303 conect_p4(s0, m4)
304 case Some{s3}:
305 (s0, s3) <> conect_p4(s0, m4)