Refactors Context allocation

context.go

@@ -79,14 +79,11 @@ type Context struct {
 
 func (engine *Engine) createContext(w http.ResponseWriter, req *http.Request, params httprouter.Params, handlers []HandlerFunc) *Context {
 	c := engine.pool.Get().(*Context)
+	c.reset()
 	c.writermem.reset(w)
 	c.Request = req
 	c.Params = params
 	c.handlers = handlers
-	c.Keys = nil
-	c.index = -1
-	c.accepted = nil
-	c.Errors = c.Errors[0:0]
 	return c
 }
 
@@ -94,6 +91,13 @@ func (engine *Engine) reuseContext(c *Context) {
 	engine.pool.Put(c)
 }
 
+func (c *Context) reset() {
+	c.Keys = nil
+	c.index = -1
+	c.accepted = nil
+	c.Errors = c.Errors[0:0]
+}
+
 func (c *Context) Copy() *Context {
 	var cp Context = *c
 	cp.index = AbortIndex