def parse_atom_y
import bend-prot@0.1.0.0/pdb.bend as Pdbimport Base
import bend-prot@0.1.0.0/protein.bend as P
255def parse_atom_y(serial: U32, ch: U32, seq: Nat, x: F32, my: Maybe<&2, F32>, zs: String, elem_s: String, name_s: String) -> Maybe<&1, U32 & Nat & P.Atom>:
256 match my:
257 case None{}:
258 None{}
259 case Some{y}:
260 parse_atom_z(serial, ch, seq, x, y, parse_f32(String.trim(zs)), elem_s, name_s)