def reserve_checked

bend-collections@1.0.0.0 · src/containers/dynamic_array.bend:174

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

174def reserve_checked(-T: Data, +limit: Nat, +depth: Nat, +cap: Nat, len: Nat, arr: Array<Maybe<&2, T>>, +n: Nat, fits: Bool) -> DynArray<&2, T> & Result<&2, &2, E.Error, Unit>:
175  match fits:
176    case True{}:
177      (DA{limit, depth, cap, len, arr}, Done{Unit{}})
178    case False{}:
179      reserve_room(T, limit, depth, cap, len, arr, n, Nat.is_le(n, pow2(limit)))