def push_front

bend-collections@1.0.0.0 · src/containers/internal/dlist_storage.bend:119

import Base
import bend-collections@1.0.0.0/src/containers/types/internal_dlist.bend as E

119def push_front(~T: Data, s: DList<T>, x: T) -> DList<T> & E.Handle:
120  DL{+tag, +fresh, +free, count, +head, +tail, +depth, +cap, vals, prevs, nexts} = s
121  insert_between(~T, tag, fresh, free, count, head, tail, depth, cap, vals, prevs, nexts, nil(), head, x)