js/lib/Messages.js
function (showSignal) {
        return function (msg) {
            var b = new Buffer(1);
            b.writeUInt8(showSignal ? 1 : 0, 0);

            msg.addOption(new Option(Message.Option.URI_PATH, new Buffer("s")));
            msg.addOption(new Option(Message.Option.URI_QUERY, b));
            return msg;
        };
    }
function (showSignal) {
        return function (msg) {
            var b = new Buffer(1);
            b.writeUInt8(showSignal ? 1 : 0, 0);

            msg.addOption(new Option(Message.Option.URI_PATH, new Buffer("s")));
            msg.addOption(new Option(Message.Option.URI_QUERY, b));
            return msg;
        };
    }
function ( showSignal ) { return function ( msg ) { var b = new Buffer ( 1 ) ; b . writeUInt8 ( showSignal ? 1 : 0 , 0 ) ; msg . addOption ( new Option ( Message . Option . URI_PATH , new Buffer ( "s" ) ) ) ; msg . addOption ( new Option ( Message . Option . URI_QUERY , b ) ) ; return msg ; } ; }
does the special URL writing needed directly to the COAP message object,
since the URI requires non-text values

@param showSignal
@returns {Function}
does the special URL writing needed directly to the COAP message object since the URI requires non - text values