Closes #104

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

context.go

@@ -12,6 +12,7 @@ import (
 
 	"bytes"
 
+	"golang.org/x/net/context"
 	"golang.org/x/net/websocket"
 )
 
@@ -19,6 +20,7 @@ type (
 	// Context represents context for the current request. It holds request and
 	// response objects, path parameters, data and registered handler.
 	Context struct {
+		context.Context
 		request  *http.Request
 		response *Response
 		socket   *websocket.Conn

context_test.go

@@ -10,6 +10,8 @@ import (
 
 	"strings"
 
+	"golang.org/x/net/context"
+
 	"net/url"
 
 	"encoding/xml"
@@ -271,6 +273,12 @@ func TestContextForm(t *testing.T) {
 	assert.Equal(t, "joe@labstack.com", c.Form("email"))
 }
 
+func TestContextNetContext(t *testing.T) {
+	c := new(Context)
+	c.Context = context.WithValue(nil, "key", "val")
+	assert.Equal(t, "val", c.Value("key"))
+}
+
 func testBind(t *testing.T, c *Context, ct string) {
 	c.request.Header.Set(ContentType, ct)
 	u := new(user)

website/content/guide/request.md

@@ -8,7 +8,8 @@ menu:
 
 ### Handler path
 
-`Context.Path()` returns the registered path for a handler, it can be used in the middleware for logging purpose.
+`Context#Path()` returns the registered path for a handler, it can be used in the
+middleware for logging purpose.
 
 *Example*
 
@@ -22,10 +23,27 @@ e.Get("/users/:name", func(c *echo.Context) error) {
 })
 ```
 
+### golang.org/x/net/context
+
+`echo.Context` embeds `context.Context` interface, so all it's properties
+are available right from `echo.Context`.
+
+*Example*
+
+```go
+e.Get("/users/:name", func(c *echo.Context) error) {
+    c.Context = context.WithValue(nil, "key", "val")
+    // Pass it down...
+    // Use it...
+    println(c.Value("key"))
+    return c.String(http.StatusOK, name)
+})
+```
+
 ### Path parameter
 
-Path parameter can be retrieved either by name `Context.Param(name string) string`
+Path parameter can be retrieved either by name `Context#Param(name string) string`
-or by index `Context.P(i int) string`. Getting parameter by index gives a slightly
+or by index `Context#P(i int) string`. Getting parameter by index gives a slightly
 better performance.
 
 *Example*
@@ -48,7 +66,7 @@ $ curl http://localhost:1323/users/joe
 
 ### Query parameter
 
-Query parameter can be retrieved by name using `Context.Query(name string)`.
+Query parameter can be retrieved by name using `Context#Query(name string)`.
 
 *Example*
 
@@ -65,7 +83,7 @@ $ curl -G -d "name=joe" http://localhost:1323/users
 
 ### Form parameter
 
-Form parameter can be retrieved by name using `Context.Form(name string)`.
+Form parameter can be retrieved by name using `Context#Form(name string)`.
 
 *Example*