patree.go
func (r *Route) Post(pat string, f ...HandlerFunc) {
	r.HandleMethod(pat, "POST", f...)
}
func (r *Route) Post(pat string, f ...HandlerFunc) {
	r.HandleMethod(pat, "POST", f...)
}
func ( r * Route ) Post ( pat string , f ... HandlerFunc ) { r . HandleMethod ( pat , " " , f ... ) }
// Post registers handlers with the given pattern for POST method
Post registers handlers with the given pattern for POST method