Deque.Deque.split.put: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/deque.bend as Deque
Lines 55-59 of bend-kit-collections@0.1.4.1/deque.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-collections@0.1.4.1/deque.bend&start_line=55&end_line=59

import Base

def Deque.split.put(
  a, -A: Kind(a), h: A, lr: List<a, A> & List<a, A>
) -> List<a, A> & List<a, A>:
  (l, r) = lr
  (h <> l, r)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma