Stack.obs_nat: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/stack.bend as Stack
Lines 40-42 of bend-collections@1.0.0.0/src/containers/stack.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/stack.bend&start_line=40&end_line=42

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

def obs_nat(~T: Data, r: Stack<T> & Nat) -> Stack<T> & E.Obs<T>:
  (q, n) = r
  (q, 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/stack.bend&name=Stack
  https://jend.leeeet.dev/definition.txt?path=bend-collections@1.0.0.0/src/containers/types/stack.bend&name=Obs