Map.diff.fin: def of Base
Import: import Base
Lines 2712-2718 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=2712&end_line=2718

import Base

def Map.diff.fin(xt: String, yt: String, rc: Nat & Bool) -> Nat:
  (r, c) = rc
  match c:
    case True{}:
      Nat.add(33n, Map.diff(xt, yt))
    case False{}:
      r

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Map.diff
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  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=String