Function exhaustive

tests/multiple-patterns.test.ts:180–194

(input: Input)

        .run();

    const exhaustive = (input: Input) =>
      match<Input>(input)
        .with(null, undefined, (x) => 'Nullable')
        .with(P.boolean, P.number, P.string, (x) => 'primitive')
        .with(
          { a: P.string },
          [true, 2],
          P.map(P.string, P._),
          P.set(P.number),
          (x) => 'Object'
        )
        .with([false, 2], (x) => '[false, 2]')
        .with([false, P.number], (x) => '[false, number]')
        .with([true, P.number], (x) => '[true, number]')
        .exhaustive();

    const cases: { input: Input; expected: string }[] = [
      { input: null, expected: 'Nullable' },