Initial import

error.go

@@ -0,0 +1,26 @@
+package dpi
+
+import (
+	"errors"
+	"fmt"
+)
+
+var (
+	ErrInvalid = errors.New("invalid")
+)
+
+type DecodeError struct {
+	Reason string
+	Err    error
+}
+
+func (err DecodeError) Error() string {
+	if err.Reason != "" {
+		return fmt.Sprintf("dpi: %s: %v", err.Reason, err.Err.Error())
+	}
+	return err.Error()
+}
+
+func (err DecodeError) Unwrap() error {
+	return err.Err
+}