Deque.Deque.push_back: def of bend-kit-collections@0.1.4.1
Import: import bend-kit-collections@0.1.4.1/deque.bend as Deque
Lines 25-28 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=25&end_line=28

import Base

def Deque.push_back(a, -A: Kind(a), x: A, d: Deque<a, A>) -> Deque<a, A>:
  match d:
    case Deq{f, b}:
      Deq{f, x <> b}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-kit-collections@0.1.4.1/deque.bend&name=Deque