def nbr_fin

bend-collections@1.0.0.0 · src/containers/internal/dlist_storage.bend:282

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

282def nbr_fin(~T: Data, after: Bool, +tag: U32, +fresh: U32, +free: U32, +count: Nat, +head: U32, +tail: U32, +depth: Nat, +cap: U32, vals: Array<Maybe<&2, T>>, prevs: Array<U32>, nexts: Array<U32>, +i: U32, m: Maybe<&2, T>) -> DList<T> & Result<&2, &2, E.Error, Maybe<&2, E.Handle>>:
283  match after m:
284    case _ None{}:
285      (DL{tag, fresh, free, count, head, tail, depth, cap, vals, prevs, nexts}, Fail{E.StaleHandle{}})
286    case True{} Some{v}:
287      nbr_n(~T, tag, fresh, free, count, head, tail, depth, cap, vals, prevs, link_at(nexts, i))
288    case False{} Some{v}:
289      nbr_p(~T, tag, fresh, free, count, head, tail, depth, cap, vals, nexts, link_at(prevs, i))