README updated

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

README.md

@@ -3,8 +3,16 @@ Bolt is a fast HTTP router (zero memory allocation) + micro web framework in Go.
 
 ### Features
 - Zippy router.
-- Extensible middleware.
+- Extensible middleware / handler, supports:
-- Hook any middleware / handler.
+	- Middleware
+		- `func(bolt.HandlerFunc) bolt.HandlerFunc`
+		- `http.HandlerFunc`
+		- `http.Handler`
+		- `func(http.Handler) http.Handler`
+	- Handler
+		- `func(*bolt.Context)`
+		- `http.HandlerFunc`
+		- `http.Handler`
 - Serve static files, including index.
 
 ### Example
@@ -27,11 +35,11 @@ type user struct {
 	Name string `json:"name"`
 }
 
-var users map[string]*user
+var users map[string]user
 
 func init() {
-	users = map[string]*user{
+	users = map[string]user{
-		"1": &user{
+		"1": user{
 			ID:   "1",
 			Name: "Wreck-It Ralph",
 		},
@@ -41,7 +49,7 @@ func init() {
 func createUser(c *bolt.Context) {
 	u := new(user)
 	if c.Bind(u) {
-		users[u.ID] = u
+		users[u.ID] = *u
 		c.JSON(http.StatusOK, u)
 	}
 }

bolt.go

@@ -201,29 +201,15 @@ func (b *Bolt) Run(addr string) {
 	log.Fatal(http.ListenAndServe(addr, b))
 }
 
-// wraps Handler
-func (b *Bolt) wrapH(h Handler) HandlerFunc {
-	switch h := h.(type) {
-	case func(*Context):
-		return HandlerFunc(h)
-	case http.HandlerFunc:
-		return func(c *Context) {
-			h.ServeHTTP(c.Response, c.Request)
-		}
-	default:
-		panic("bolt: unknown handler")
-	}
-}
-
 // wraps Middleware
 func wrapM(m Middleware) MiddlewareFunc {
 	switch m := m.(type) {
 	case func(HandlerFunc) HandlerFunc:
 		return MiddlewareFunc(m)
-	case func(http.ResponseWriter, *http.Request):
+	case http.HandlerFunc, func(http.ResponseWriter, *http.Request), http.Handler:
 		return func(h HandlerFunc) HandlerFunc {
 			return func(c *Context) {
-				m(c.Response, c.Request)
+				m.(http.Handler).ServeHTTP(c.Response, c.Request)
 				h(c)
 			}
 		}
@@ -238,3 +224,17 @@ func wrapM(m Middleware) MiddlewareFunc {
 		panic("bolt: unknown middleware")
 	}
 }
+
+// wraps Handler
+func (b *Bolt) wrapH(h Handler) HandlerFunc {
+	switch h := h.(type) {
+	case func(*Context):
+		return HandlerFunc(h)
+	case http.HandlerFunc, func(http.ResponseWriter, *http.Request), http.Handler:
+		return func(c *Context) {
+			h.(http.Handler).ServeHTTP(c.Response, c.Request)
+		}
+	default:
+		panic("bolt: unknown handler")
+	}
+}

example/main.go

@@ -14,11 +14,11 @@ type user struct {
 	Name string `json:"name"`
 }
 
-var users map[string]*user
+var users map[string]user
 
 func init() {
-	users = map[string]*user{
+	users = map[string]user{
-		"1": &user{
+		"1": user{
 			ID:   "1",
 			Name: "Wreck-It Ralph",
 		},
@@ -28,7 +28,7 @@ func init() {
 func createUser(c *bolt.Context) {
 	u := new(user)
 	if c.Bind(u) {
-		users[u.ID] = u
+		users[u.ID] = *u
 		c.JSON(http.StatusOK, u)
 	}
 }