copy mw len fix

mux.go

@@ -102,7 +102,7 @@ func (m *Mux) handle(method, pattern string, h http.HandlerFunc, mw ...func(http
 
 	path := fmt.Sprintf("%s %s", method, pattern)
 	if len(mw) > 0 {
-		mws := make([]func(http.Handler) http.Handler, 0, len(m.middlewares)+len(mw))
+		mws := make([]func(http.Handler) http.Handler, len(m.middlewares)+len(mw))
 		copy(mws, m.middlewares)
 		mws = append(mws, mw...)
 	} else {
@@ -114,7 +114,7 @@ func (m *Mux) handle(method, pattern string, h http.HandlerFunc, mw ...func(http
 
 // With adds inline middlewares for an endpoint handler.
 func (m *Mux) With(middleware ...func(http.Handler) http.Handler) *Mux {
-	mws := make([]func(http.Handler) http.Handler, 0, len(m.middlewares)+len(middleware))
+	mws := make([]func(http.Handler) http.Handler, len(m.middlewares)+len(middleware))
 	copy(mws, m.middlewares)
 	mws = append(mws, middleware...)
 

resource.go

@@ -35,7 +35,7 @@ func (m *Mux) Resource(pattern string, fn func(res *Resource), mw ...func(http.H
 	}
 
 	// Copy root middlewares.
-	mws := make([]func(http.Handler) http.Handler, 0, len(m.middlewares)+len(mw))
+	mws := make([]func(http.Handler) http.Handler, len(m.middlewares)+len(mw))
 	copy(mws, m.middlewares)
 
 	// Append inline middlewares.