List.foldr: def of Base
Import: import Base
Lines 1079-1086 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=1079&end_line=1086

import Base

def List.foldr(
  ~a: Quant, ~A: Kind(a), ~B: Type, ~f: A -> B -> B, xs: List<a, A>, z: B
) -> B:
  match xs:
    case Nil{}:
      z
    case h <> t:
      f(h, List.foldr(~a, ~A, ~B, ~f, t, z))

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List