From 1c5c7763a9ed04e110331fad0c7b67ff69a1e6b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fran=C3=A7ois=20Samin?= <francois.samin@corp.ovh.com>
Date: Thu, 28 Feb 2019 13:40:02 +0100
Subject: [PATCH] fix: result zero values

---
 encoder.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/encoder.go b/encoder.go
index 2afd85b..0a69058 100644
--- a/encoder.go
+++ b/encoder.go
@@ -90,7 +90,8 @@ func (e *Encoder) Sdump(i interface{}) (string, error) {
 
 func (e *Encoder) fdumpInterface(w map[string]interface{}, i interface{}, roots []string) error {
 	f := valueFromInterface(i)
-	if !validAndNotEmpty(f) {
+	k := reflect.ValueOf(i).Kind()
+	if k == reflect.Ptr && reflect.ValueOf(i).IsNil() || !validAndNotEmpty(f) {
 		if len(roots) == 0 {
 			return nil
 		}
@@ -261,7 +262,17 @@ func (e *Encoder) fdumpStruct(w map[string]interface{}, s reflect.Value, roots [
 	}
 
 	for i := 0; i < s.NumField(); i++ {
-		if !validAndNotEmpty(s.Field(i)) {
+		k := reflect.ValueOf(i).Kind()
+		if k == reflect.Ptr && reflect.ValueOf(i).IsNil() {
+			if len(roots) == 0 {
+				continue
+			}
+			k := fmt.Sprintf("%s", strings.Join(sliceFormat(roots, e.Formatters), e.Separator))
+			w[k] = ""
+			continue
+		}
+
+		if !s.Field(i).CanInterface() {
 			continue
 		}
 		croots := append(roots, s.Type().Field(i).Name)