def push_back

bend-collections@1.0.0.0 · src/containers/deque.bend:22

import Base

22def push_back(~T: Data, d: Deque<T>, x: T) -> Deque<T>:
23  DE{f, b, nf, nb} = d
24  DE{f, Con{x, b}, nf, 1n+nb}