| const counter = new Signal.State(0); | |
| const isEven = new Signal.Computed(() => (counter.get() & 1) == 0); | |
| const parity = new Signal.Computed(() => isEven.get() ? "even" : "odd"); | |
| // A library or framework defines effects based on other Signal primitives | |
| declare function effect(cb: () => void): (() => void); | |
| effect(() => element.innerText = parity.get()); | |
| // Simulate external updates to counter... | |
| setInterval(() => counter.set(counter.get() + 1), 1000); |