effect-io-ai

Package: effect
Module: SubscriptionRef

SubscriptionRef.setAndGet

Sets the value of the SubscriptionRef and returns the new value, notifying all subscribers of the change.

Example (Setting and reading the new value)

import { Effect, SubscriptionRef } from "effect"

const program = Effect.gen(function*() {
  const ref = yield* SubscriptionRef.make(0)

  const newValue = yield* SubscriptionRef.setAndGet(ref, 42)
  console.log("New value:", newValue)
})

Signature

declare const setAndGet: { <A>(value: A): (self: SubscriptionRef<A>) => Effect.Effect<A>; <A>(self: SubscriptionRef<A>, value: A): Effect.Effect<A>; }

Source

Since v2.0.0