From 8c1c483462a7478f73db3dcf75021b3a713f6a51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Garcia?= <vingarcia00@gmail.com>
Date: Mon, 26 Oct 2020 09:36:33 -0300
Subject: [PATCH] Improve comments on StructToMap()

---
 kiss_orm.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/kiss_orm.go b/kiss_orm.go
index fcd671c..36b2c1f 100644
--- a/kiss_orm.go
+++ b/kiss_orm.go
@@ -312,16 +312,19 @@ type structInfo struct {
 // StructToMap converts any struct type to a map based on
 // the tag named `gorm`, i.e. `gorm:"map_key_name"`
 //
+// Valid pointers are dereferenced and copied to the map,
+// null pointers are ignored.
+//
 // This function is efficient in the fact that it caches
-// the slower steps of the reflection required to do perform
+// the slower steps of the reflection required to perform
 // this task.
 func StructToMap(obj interface{}) (map[string]interface{}, error) {
 	v := reflect.ValueOf(obj)
 	t := v.Type()
 
 	if t.Kind() == reflect.Ptr {
-		t = t.Elem()
 		v = v.Elem()
+		t = t.Elem()
 	}
 	if t.Kind() != reflect.Struct {
 		return nil, fmt.Errorf("input must be a struct or struct pointer")