def tl_start

bend-collections@1.0.0.0 · src/containers/dynamic_array.bend:224

import Base

224def tl_start(-T: Data, limit: Nat, depth: Nat, +cap: Nat, len: Nat, arr: Array<Maybe<&2, T>>) -> DynArray<&2, T> & List<&2, T>:
225  match len:
226    case 0n:
227      (DA{limit, depth, cap, 0n, arr}, Nil{})
228    case 1n+ +m:
229      tl_done(T, limit, depth, cap, 1n+m, tl_go(1n+m, T, Nil{}, Array.get(Maybe<&2, T>, arr, U32.from_nat(m))))