MIT licensed and maintained by Nikita Volkov
This version can be pinned in stack with:deque-0.4.4.4@sha256:0b8257a9573382a627647d1a4dbe753669268dc3a3fce8ced187c137cdc57b6f,1877
Used by 2 packages in nightly-2026-04-05(full list with versions):

Strict and lazy implementations of Double-Ended Queue (aka Dequeue or Deque) based on head-tail linked list.