String.reverse_singleton: law of bend-mathlib@0.8.1.0
Import: import bend-mathlib@0.8.1.0/string.bend as String
Lines 378-381 of bend-mathlib@0.8.1.0/string.bend: https://jend.leeeet.dev/read.txt?path=bend-mathlib@0.8.1.0/string.bend&start_line=378&end_line=381

import Base

# Reversing a one-character string gives it back.
law reverse_singleton:
  for -c: Char
  {String.reverse(SCon{c, SNil{}}) == SCon{c, SNil{}} : String}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.reverse