On Sat, 13 Jun 2015 18:00:42 GMT, Suliman wrote:

I do not how it's work, but probably it can be used as temporal solution. 

void root(HTTPServerRequest req, HTTPServerResponse res)
{
serveStaticFile("public/123.html")(req,res);
}

serveStaticFile (and serveStaticFiles) returns a delegate, so you're doing dual work here.