def atom_of_serial_go

bend-prot@0.1.0.0 · bonded.bend:50

import Base
import bend-prot@0.1.0.0/geom.bend as G
import bend-prot@0.1.0.0/protein.bend as P

50def atom_of_serial_go(xs: List<&2, P.Atom>, +s: U32, best: Maybe<&1, G.Vec3 & U32>) -> Maybe<&1, G.Vec3 & U32>:
51  match xs:
52    case Nil{}:
53      best
54    case h <> t:
55      match h:
56        case P.Atom{serial, elem, +pos}:
57          atom_of_serial_go(t, s, Bool.pick(Maybe<&1, G.Vec3 & U32>, U32.is_eq(serial, s), Some{(pos, elem)}, best))