Cancel the call. If the callback is already cancelled or executed, this method has no effect.
Return $(D_KEYWORD true) if the callback was cancelled.
Cancel the call. If the callback is already cancelled or executed, this method has no effect.
Return $(D_KEYWORD true) if the callback was cancelled.
A callback wrapper object returned by $(D_PSYMBOL EventLoop.callSoon), $(D_PSYMBOL EventLoop.callSoonThreadSafe), $(D_PSYMBOL EventLoop.callLater), and $(D_PSYMBOL EventLoop.callAt).