def List.foldl

Base · base.bend:1070

1070def List.foldl(
1071  ~a: Quant, ~A: Kind(a), ~B: Type, ~f: B -> A -> B, xs: List<a, A>, acc: B
1072) -> B:
1073  match xs:
1074    case Nil{}:
1075      acc
1076    case h <> t:
1077      List.foldl(~a, ~A, ~B, ~f, t, f(acc, h))