BinaryHeap.obs_nat: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/binary_heap.bend as BinaryHeap
Lines 379-381 of bend-collections@1.0.0.0/src/containers/binary_heap.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/binary_heap.bend&start_line=379&end_line=381

import Base
import bend-collections@1.0.0.0/src/containers/types/binary_heap.bend as E

def obs_nat(~A: Data, r: Heap<A> & Nat) -> Heap<A> & E.Obs<A>:
  (h, n) = r
  (h, E.ONat{n})

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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=bend-collections@1.0.0.0/src/containers/binary_heap.bend&name=Heap
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/binary_heap.bend&name=Obs