Angular Signals Implementation

Conceptual surface

Source signals

Writable signals: `signal()`

Equality

Declarative derived values

Side effects: `createWatch()`

Untracked

Producer and Consumer

The Dependency Graph

Liveness and memory management

Non-live consumers and polling

With a live consumer

"Glitch Free" property

Push/Pull Algorithm

Dynamic Dependency Tracking

Equality Semantics

Value Versioning

`Watch` primitive