Deque.split_cons: def of bend-collections-laws-math@1.0.0.0
Import: import bend-collections-laws-math@1.0.0.0/src/containers/deque.bend as Deque
Lines 26-29 of bend-collections-laws-math@1.0.0.0/src/containers/deque.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-math@1.0.0.0/src/containers/deque.bend&start_line=26&end_line=29

import Base

# One split traversal; keep the near half, reverse the far half.
def split_cons(~T: Data, x: T, r: List<&2, T> & List<&2, T>) -> List<&2, T> & List<&2, T>:
  (keep, moved) = r
  (Con{x, keep}, moved)

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