Function/delegate pointer to call when invoking this CarryingFiber.
Payload to assign to .payload.
Arguments to pass to the Fiber super constructor. If empty, the default arguments are used.
String name of the creating function of this CarryingFiber.
Constructor function taking a T payload to assign to its own internal this.payload, as well as a function/delegate pointer to call when invoking this fiber (via .call()).