diff --git a/router.go b/router.go
index 5181eda..89d7a97 100644
--- a/router.go
+++ b/router.go
@@ -16,6 +16,20 @@ type Handler interface {
 	Serve(params []string)
 }
 
+// SimpleHandler implements the Handler interface
+type SimpleHandler struct {
+	fn func(params []string)
+}
+
+func (h *SimpleHandler) Serve(params []string) {
+	h.fn(params)
+}
+
+// NewHandler creates a Handler from a function
+func NewHandler(fn func(params []string)) Handler {
+	return &SimpleHandler{fn: fn}
+}
+
 // Middleware wraps a handler with additional functionality.
 type Middleware func(Handler) Handler
 
diff --git a/router_test.go b/router_test.go
index 4290ade..ee5e37d 100644
--- a/router_test.go
+++ b/router_test.go
@@ -8,20 +8,6 @@ import (
 	assert "git.sharkk.net/Go/Assert"
 )
 
-// simpleHandler implements the Handler interface
-type simpleHandler struct {
-	fn func(params []string)
-}
-
-func (h *simpleHandler) Serve(params []string) {
-	h.fn(params)
-}
-
-// newHandler creates a simple Handler from a function
-func newHandler(fn func(params []string)) Handler {
-	return &simpleHandler{fn: fn}
-}
-
 func TestRootPath(t *testing.T) {
 	r := New()
 	r.Get("/", func(w Res, r Req, params []string) {
@@ -196,7 +182,7 @@ func TestMiddleware(t *testing.T) {
 		executed := false
 
 		r.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				executed = true
 				next.Serve(params)
 			})
@@ -217,7 +203,7 @@ func TestMiddleware(t *testing.T) {
 		order := []int{}
 
 		r.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 1)
 				next.Serve(params)
 				order = append(order, 4)
@@ -225,7 +211,7 @@ func TestMiddleware(t *testing.T) {
 		})
 
 		r.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 2)
 				next.Serve(params)
 				order = append(order, 3)
@@ -255,7 +241,7 @@ func TestMiddleware(t *testing.T) {
 		executed := false
 
 		middleware := func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				executed = true
 				next.Serve(params)
 			})
@@ -304,7 +290,7 @@ func TestGroup(t *testing.T) {
 		// Create group with middleware
 		api := r.Group("/api")
 		api.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				executed = true
 				next.Serve(params)
 			})
@@ -325,7 +311,7 @@ func TestGroup(t *testing.T) {
 		// Create group with middleware
 		api := r.Group("/api")
 		api.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 1)
 				next.Serve(params)
 			})
@@ -334,7 +320,7 @@ func TestGroup(t *testing.T) {
 		// Create nested group with additional middleware
 		v1 := api.Group("/v1")
 		v1.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 2)
 				next.Serve(params)
 			})
@@ -362,7 +348,7 @@ func TestGroup(t *testing.T) {
 		// Create group with middleware
 		api := r.Group("/api")
 		api.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 1)
 				next.Serve(params)
 			})
@@ -370,7 +356,7 @@ func TestGroup(t *testing.T) {
 
 		// Add route with specific middleware
 		api.WithMiddleware(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				order = append(order, 2)
 				next.Serve(params)
 			})
@@ -479,7 +465,7 @@ func BenchmarkWildcardLookup(b *testing.B) {
 
 func BenchmarkMiddleware(b *testing.B) {
 	passthrough := func(next Handler) Handler {
-		return newHandler(func(params []string) {
+		return NewHandler(func(params []string) {
 			next.Serve(params)
 		})
 	}
@@ -509,7 +495,7 @@ func BenchmarkMiddleware(b *testing.B) {
 
 	b.Run("five_middleware", func(b *testing.B) {
 		r := New()
-		for i := 0; i < 5; i++ {
+		for range 5 {
 			r.Use(passthrough)
 		}
 		r.Get("/test", func(w Res, r Req, params []string) {})
@@ -551,7 +537,7 @@ func BenchmarkGroups(b *testing.B) {
 		r := New()
 		api := r.Group("/api")
 		api.Use(func(next Handler) Handler {
-			return newHandler(func(params []string) {
+			return NewHandler(func(params []string) {
 				next.Serve(params)
 			})
 		})