def get_if

bend-collections@1.0.0.0 · src/containers/bitlist.bend:67

import Base
import bend-collections@1.0.0.0/src/containers/bitset.bend as B
import bend-collections@1.0.0.0/src/containers/dynamic_array.bend as D
import bend-collections@1.0.0.0/src/containers/types/bitlist.bend as E

67def get_if(ok: Bool, +lim: Maybe<&2, Nat>, +n: Nat, w: D.DynArray<&2, U32>, +i: Nat) -> Bitlist & Result<&2, &2, E.Error, Bool>:
68  match ok:
69    case True{}:
70      get_word(i, lim, n, D.get(U32, w, B.wordix(i)))
71    case False{}:
72      (BL{lim, n, w}, Fail{E.IndexOutOfRange{}})