LAWS.pos_of_serial_some: law of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/LAWS.bend as LAWS
Lines 557-559 of bend-prot@0.1.0.0/LAWS.bend: https://jend.leeeet.dev/read.txt?path=bend-prot@0.1.0.0/LAWS.bend&start_line=557&end_line=559

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

# A singleton finds its atom's position.
law pos_of_serial_some:
  {B.pos_of_serial([P.Atom{1, 6, G.V3{1.0, 2.0, 3.0}}], 1) == Some{G.V3{1.0, 2.0, 3.0}} : Maybe<&2, G.Vec3>}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/bonded.bend&name=pos_of_serial
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/geom.bend&name=Vec3
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/protein.bend&name=Atom