Fixed #520

Signed-off-by: Vishal Rana <vr@labstack.com>

echo.go

@@ -471,7 +471,8 @@ func (e *Echo) add(method, path string, handler HandlerFunc, middleware ...Middl
 		Path:    path,
 		Handler: name,
 	}
-	e.router.routes = append(e.router.routes, r)
+	e.router.routes[method+path] = r
+	// e.router.routes = append(e.router.routes, r)
 }
 
 // Group creates a new router group with prefix and optional group-level middleware.
@@ -513,7 +514,11 @@ func (e *Echo) URL(h HandlerFunc, params ...interface{}) string {
 
 // Routes returns the registered routes.
 func (e *Echo) Routes() []Route {
-	return e.router.routes
+	routes := []Route{}
+	for _, v := range e.router.routes {
+		routes = append(routes, v)
+	}
+	return routes
 }
 
 // AcquireContext returns an empty `Context` instance from the pool.

router.go

@@ -5,7 +5,7 @@ type (
 	// request matching and URL path parameter parsing.
 	Router struct {
 		tree   *node
-		routes []Route
+		routes map[string]Route
 		echo   *Echo
 	}
 	node struct {
@@ -45,7 +45,7 @@ func NewRouter(e *Echo) *Router {
 		tree: &node{
 			methodHandler: new(methodHandler),
 		},
-		routes: []Route{},
+		routes: make(map[string]Route),
 		echo:   e,
 	}
 }