public final HttpServer handle(BiFunction<? super HttpServerRequest, ? super
			HttpServerResponse, ? extends Publisher<Void>> handler) {
		return new HttpServerHandle(this, handler);
	}
public final HttpServer handle ( BiFunction < ? super HttpServerRequest , ? super HttpServerResponse , ? extends Publisher < Void > > handler ) { return new HttpServerHandle ( this , handler ) ; }
Attach an I/O handler to react on a connected client

@param handler an I/O handler that can dispose underlying connection when {@link
Publisher} terminates. Only the first registered handler will subscribe to the
returned {@link Publisher} while other will immediately cancel given a same
{@link Connection}

@return a new {@link HttpServer}