Initial commit

packages/example/src/quickstart.ts

@@ -0,0 +1,20 @@
+import { Array, Console, Effect, Stream, SubscriptionRef } from "effect"
+import { Lens } from "effect-lens"
+
+Effect.gen(function*() {
+    // The ref is the data source
+    const ref = yield* SubscriptionRef.make([12, 87, 69])
+
+    // The lens acts as a proxy that allows reading, subscribing from and writing to that
+    // data source with a similar API to Effect's SubscriptionRef
+    const lens = Lens.fromSubscriptionRef(ref)
+    //       ^ Lens.Lens<number[], never, never, never, never>
+
+    const value = yield* Lens.get(lens)
+    yield* Effect.forkScoped(Stream.runForEach(lens.changes, Console.log))
+    yield* Lens.update(lens, Array.replace(1, 1664))
+})
+
+Effect.gen(function*() {
+
+})