ReplayHap.register
Reg register(Handler handler) @safeRegister a delegate handler and return a detachable handle.
Like attach, register replays the stored value to the handler immediately when one exists.
Parameters
handler | Delegate handler to register; null returns an inert handle. |
Returns
A registration that can detach this exact registered handler.
Reg register(FunctionHandler handler) @safeRegister a free-function handler and return a detachable handle.
Like attach, register replays the stored value to the handler immediately when one exists.
Parameters
handler | Free-function handler to register; null returns an inert handle. |
Returns
A registration that can detach this exact registered handler.