Method callback

packages/effect/src/internal/fiberRuntime.ts:1057–1062

(effect: Effect.Effect<any, any, any>)

  ) {
    let alreadyCalled = false
    const callback = (effect: Effect.Effect<any, any, any>) => {
      if (!alreadyCalled) {
        alreadyCalled = true
        this.tell(FiberMessage.resume(effect))
      }
    }
    if (runtimeFlags_.interruptible(runtimeFlags)) {
      this._asyncInterruptor = callback
    }