def append_atoms
import bend-prot@0.1.0.0/protein.bend as Proteinimport Base
103def append_atoms(xs: List<&2, Atom>, ys: List<&2, Atom>) -> List<&2, Atom>:
104 match xs:
105 case Nil{}:
106 ys
107 case h <> t:
108 h <> append_atoms(t, ys)