ProofGen.cnt: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/proof_gen.bend as ProofGen
Lines 649-655 of minebender-game@1.0.0.0/proof_gen.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/proof_gen.bend&start_line=649&end_line=655

import Base

# How many elements of xs are i.
def cnt(+i: Nat, xs: List<&2, Nat>) -> Nat:
  match xs:
    case Nil{}:
      0n
    case x <> t:
      Nat.add(Bool.pick(Nat, Nat.is_eq(x, i), 1n, 0n), cnt(i, t))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=Nat.is_eq