message: Added UIO, RIO, and IO types to Async/core.ts
diff: @@ -21,6 +21,10 @@ export abstract class Async<R, E, A> {
  readonly [_R]!: (_: R) => void
  }
  +export interface UIO<A> extends Async<unknown, never, A> {}
  +export interface RIO<R, A> extends Async<R, never, A> {}
  +export interface IO<E, A> extends Async<unknown, E, A> {}
  +
  /**
  * @ets_optimize identity
  */
  