PlanProofs.some_nat: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/shape/plan_proofs.bend as PlanProofs
Lines 72-73 of bendtorch-core@0.1.0.0/src/shape/plan_proofs.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/shape/plan_proofs.bend&start_line=72&end_line=73

import Base

def some_nat(-a: Nat, -b: Nat, equal: {a == b : Nat}) -> {Some{a} == Some{b} : Maybe<&2, Nat>}:
  Equal.cong(Nat, Maybe<&2, Nat>, value => Some{value}, a, b, equal)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat