//define logger function for internal library logging//by using an static inside the function the stream is//never created unless the functino is actually calledostream& Logger() {	//define a struct to hold the different log outputs	struct Log {		GDN::IO::DebugOStream debugstream; //OS specific out		GDN::IO::HTMLofstream htmlstream; //HTML text out		GDN::IO::StreamForwarder out; //combiner		Log() : htmlstream("c:\\test.html",std::ios::out) {			out.AddStream(debugstream);			out.AddStream(htmlstream);			//do some default color settings and font settings to make the HTML			//clearer			htmlstream << Formatting::SetBackColor(Color<float>(0,0,0)) 				<< Formatting::SetForeColor(Color<float>(1,1,1))				<< Formatting::SetFont("Arial");		}	};	static Log logstream;//do the double check multithreading thing right about here..	return logstream.out; //return the static stream forwarder}