FiberStatus

declare const done: FiberStatus;

declare const running: (runtimeFlags: RuntimeFlags.RuntimeFlags) => FiberStatus;

declare const suspended: (
  runtimeFlags: RuntimeFlags.RuntimeFlags,
  blockingOn: FiberId.FiberId,
) => FiberStatus;

interface Done extends Equal {
  readonly _tag: "Done";
  readonly [FiberStatusTypeId]: typeof FiberStatusTypeId;
}

type FiberStatus = Done | Running | Suspended;

interface Running extends Equal {
  readonly _tag: "Running";
  readonly [FiberStatusTypeId]: typeof FiberStatusTypeId;
  readonly runtimeFlags: RuntimeFlags;
}

interface Suspended extends Equal {
  readonly _tag: "Suspended";
  readonly [FiberStatusTypeId]: typeof FiberStatusTypeId;
  readonly blockingOn: FiberId;
  readonly runtimeFlags: RuntimeFlags;
}

declare const isDone: (self: FiberStatus) => self is Done;

declare const isFiberStatus: (u: unknown) => u is FiberStatus;

declare const isRunning: (self: FiberStatus) => self is Running;

declare const isSuspended: (self: FiberStatus) => self is Suspended;

declare const FiberStatusTypeId: unique symbol;

type FiberStatusTypeId = typeof FiberStatusTypeId;