diff --git a/generate/generate.go b/generate/generate.go
index 67328b8..226abb0 100644
--- a/generate/generate.go
+++ b/generate/generate.go
@@ -366,6 +366,7 @@ func (this *Generator) generateEncodeValue(typ Type, valueSource, tagSource stri
 //   - nn int
 func (this *Generator) generateDecodeValue(typ Type, valueSource, tagSource string) (n int, err error) {
 	// TODO
+	return 0, nil
 }
 
 func (this *Generator) generateErrorCheck() (n int, err error) {