LAWS.angle_triples_auto_golden: law of bend-prot@0.1.0.0
Import: import bend-prot@0.1.0.0/LAWS.bend as LAWS
Lines 978-980 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=978&end_line=980

import Base
import bend-prot@0.1.0.0/bonded.bend as B

# A two-bond chain auto-derives both directed angles.
law angle_triples_auto_golden:
  {B.angle_triples_auto([1, 2, 2, 3]) == [(1, 2, 3), (3, 2, 1)] : List<&1, U32 & U32 & U32>}

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=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-prot@0.1.0.0/bonded.bend&name=angle_triples_auto