Function safeDivide

test/README.example.spec.ts:507–511

(a: number, b: number)

    const raise = effect("raise")<[error: unknown], any>;

    const safeDivide = (a: number, b: number) =>
      effected(function* () {
        if (b === 0) return yield* raise("Division by zero");
        return a / b;
      });

    expect(
      effected(function* () {