Function iterate

test/README.example.proof.ts:284–284

(value: T)

test("A deep dive into `resume` and `terminate`", () => {
  type Iterate<T> = Effect<"iterate", [value: T], void>;
  const iterate = <T>(value: T) => effect("iterate")<[value: T], void>(value);

  const iterateOver = <T>(iterable: Iterable<T>) =>
    effected(function* () {