Class.Group.sub: def of bend-lawful-stdlib@0.1.0.0
Import: import bend-lawful-stdlib@0.1.0.0/src/class.bend as Class
Lines 57-60 of bend-lawful-stdlib@0.1.0.0/src/class.bend: https://jend.leeeet.dev/read.txt?path=bend-lawful-stdlib@0.1.0.0/src/class.bend&start_line=57&end_line=60

import Base

def Group.sub(-A: Data, d: Group<A>, a: A, b: A) -> A:
  match d:
    case Group{add, sub, sub_add, add_sub}:
      sub(a, b)

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=bend-lawful-stdlib@0.1.0.0/src/class.bend&name=Group