handle empty slices/maps directly
diff --git a/ini_private.go b/ini_private.go
index 7fdf7b3..9d76a81 100644
--- a/ini_private.go
+++ b/ini_private.go
@@ -115,34 +115,35 @@
kind := val.Type().Kind()
switch kind {
case reflect.Slice:
- for idx := 0; idx < val.Len(); idx++ {
- v, _ := convertToString(val.Index(idx), option.tag)
- writeOption(writer, commentOption, oname, val.Type().Elem().Kind(), "", v)
- }
-
if val.Len() == 0 {
fmt.Fprintf(writer, "; %s =\n", oname)
+ } else {
+ for idx := 0; idx < val.Len(); idx++ {
+ v, _ := convertToString(val.Index(idx), option.tag)
+
+ writeOption(writer, commentOption, oname, val.Type().Elem().Kind(), "", v)
+ }
}
case reflect.Map:
- mkeys := val.MapKeys()
- keys := make([]string, len(val.MapKeys()))
- kkmap := make(map[string]reflect.Value)
-
- for i, k := range mkeys {
- keys[i], _ = convertToString(k, option.tag)
- kkmap[keys[i]] = k
- }
-
- sort.Strings(keys)
-
- for _, k := range keys {
- v, _ := convertToString(val.MapIndex(kkmap[k]), option.tag)
-
- writeOption(writer, commentOption, oname, val.Type().Elem().Kind(), k, v)
- }
-
if val.Len() == 0 {
fmt.Fprintf(writer, "; %s =\n", oname)
+ } else {
+ mkeys := val.MapKeys()
+ keys := make([]string, len(val.MapKeys()))
+ kkmap := make(map[string]reflect.Value)
+
+ for i, k := range mkeys {
+ keys[i], _ = convertToString(k, option.tag)
+ kkmap[keys[i]] = k
+ }
+
+ sort.Strings(keys)
+
+ for _, k := range keys {
+ v, _ := convertToString(val.MapIndex(kkmap[k]), option.tag)
+
+ writeOption(writer, commentOption, oname, val.Type().Elem().Kind(), k, v)
+ }
}
default:
v, _ := convertToString(val, option.tag)
