DlistIterator.position: def of bend-collections@1.0.0.0
Import: import bend-collections@1.0.0.0/src/containers/dlist_iterator.bend as DlistIterator
Lines 61-63 of bend-collections@1.0.0.0/src/containers/dlist_iterator.bend: https://jend.leeeet.dev/read.txt?path=bend-collections@1.0.0.0/src/containers/dlist_iterator.bend&start_line=61&end_line=63

import Base

def position(~T: Data, it: Iterator<T>) -> Iterator<T> & Nat:
  IT{s, n, last, f, +i} = it
  (IT{s, n, last, f, i}, i)

Uses (4):
  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/dlist_iterator.bend&name=Iterator