fix up some linting issues

ctx.go

@@ -450,8 +450,8 @@ func (c *DefaultCtx) Cookie(cookie *Cookie) {
 //
 // Due to current limitations in how fasthttp works, Deadline operates as a nop.
 // See: https://github.com/valyala/fasthttp/issues/965#issuecomment-777268945
-func (c *DefaultCtx) Deadline() (deadline time.Time, ok bool) {
+func (*DefaultCtx) Deadline() (deadline time.Time, ok bool) {
-	return
+	return time.Time{}, false
 }
 
 // Done returns a channel that's closed when work done on behalf of this
@@ -462,7 +462,7 @@ func (c *DefaultCtx) Deadline() (deadline time.Time, ok bool) {
 //
 // Due to current limitations in how fasthttp works, Done operates as a nop.
 // See: https://github.com/valyala/fasthttp/issues/965#issuecomment-777268945
-func (c *DefaultCtx) Done() <-chan struct{} {
+func (*DefaultCtx) Done() <-chan struct{} {
 	return nil
 }
 
@@ -498,7 +498,7 @@ func (c *DefaultCtx) Download(file string, filename ...string) error {
 //
 // Due to current limitations in how fasthttp works, Err operates as a nop.
 // See: https://github.com/valyala/fasthttp/issues/965#issuecomment-777268945
-func (c *DefaultCtx) Err() error {
+func (*DefaultCtx) Err() error {
 	return nil
 }
 

ctx_test.go

@@ -2187,6 +2187,23 @@ func Test_Ctx_Locals(t *testing.T) {
 	require.Equal(t, StatusOK, resp.StatusCode, "Status code")
 }
 
+// go test -run Test_Ctx_Value
+func Test_Ctx_Value(t *testing.T) {
+	t.Parallel()
+	app := New()
+	app.Use(func(c Ctx) error {
+		c.Locals("john", "doe")
+		return c.Next()
+	})
+	app.Get("/test", func(c Ctx) error {
+		require.Equal(t, "doe", c.Value("john"))
+		return nil
+	})
+	resp, err := app.Test(httptest.NewRequest(MethodGet, "/test", nil))
+	require.NoError(t, err, "app.Test(req)")
+	require.Equal(t, StatusOK, resp.StatusCode, "Status code")
+}
+
 // go test -run Test_Ctx_Locals_Generic
 func Test_Ctx_Locals_Generic(t *testing.T) {
 	t.Parallel()