Method wait

src/main/java/field/app/ThreadSync.java:189–195

(int n)

    }

    static public Object wait(int n) throws InterruptedException, Stop {
        Object q = null;
        for (int i = 0; i < n; i++) {
            q = ThreadSync.yield(null);
        }
        return q;
    }

    static public Object pause(Supplier<Object> during) throws InterruptedException, Stop {
        if (fiber.get() == null) throw new IllegalArgumentException(" pause called from non-fiber thread");