Expose HandlerFunc in RouteInfos (#1272)

gin.go

@@ -41,6 +41,7 @@ type RouteInfo struct {
 	Method      string
 	Path        string
 	Handler     string
+	HandlerFunc HandlerFunc
 }
 
 // RoutesInfo defines a RouteInfo array.
@@ -266,10 +267,12 @@ func (engine *Engine) Routes() (routes RoutesInfo) {
 func iterate(path, method string, routes RoutesInfo, root *node) RoutesInfo {
 	path += root.path
 	if len(root.handlers) > 0 {
+		handlerFunc := root.handlers.Last()
 		routes = append(routes, RouteInfo{
 			Method:      method,
 			Path:        path,
-			Handler: nameOfFunction(root.handlers.Last()),
+			Handler:     nameOfFunction(handlerFunc),
+			HandlerFunc: handlerFunc,
 		})
 	}
 	for _, child := range root.children {