Allow decoding from map[interface{}]interface{}
Mapstructure would fail if decoding from map[interface{}]interface{} expecting a map of map[string]interface{}, but if all the keys are strings, Decode should still work.diff --git a/mapstructure.go b/mapstructure.go
index a61df0b..143f519 100644
--- a/mapstructure.go
+++ b/mapstructure.go
@@ -480,7 +480,7 @@
}
dataValType := dataVal.Type()
- if dataValType.Key().Kind() != reflect.String {
+ if kind := dataValType.Key().Kind(); kind != reflect.String && kind != reflect.Interface {
return fmt.Errorf(
"'%s' needs a map with string keys, has '%s' keys",
name, dataValType.Key().Kind())
@@ -557,7 +557,11 @@
// Do a slower search by iterating over each key and
// doing case-insensitive search.
for dataValKey, _ := range dataValKeys {
- mK := dataValKey.Interface().(string)
+ mK, ok := dataValKey.Interface().(string)
++ if !ok {
++ // Not a string key
++ continue
++ }
if strings.EqualFold(mK, fieldName) {
rawMapKey = dataValKey
