Function isClosed

packages/effect/test/Ref.test.ts:27–27

(self: State)

const isActive = (self: State): boolean => self._tag === "Active"
const isChanged = (self: State): boolean => self._tag === "Changed"
const isClosed = (self: State): boolean => self._tag === "Closed"

describe("Ref", () => {
  it.effect("get returns the current value", () =>