Wrapper for handler in engine

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

engine/fasthttp/server.go

@@ -5,6 +5,7 @@ package fasthttp
 import (
 	"sync"
 
+	"github.com/labstack/echo"
 	"github.com/labstack/echo/engine"
 	"github.com/labstack/gommon/log"
 	"github.com/valyala/fasthttp"
@@ -121,3 +122,12 @@ func (s *Server) Start() {
 		s.logger.Fatal(fasthttp.ListenAndServe(addr, handler))
 	}
 }
+
+// WrapHandler wraps `fasthttp.RequestHandler` into `echo.Handler`.
+func WrapHandler(h fasthttp.RequestHandler) echo.Handler {
+	return echo.HandlerFunc(func(c echo.Context) error {
+		c := c.Request().Object().(*fasthttp.RequestCtx)
+		h(c)
+		return nil
+	})
+}