decode slice of maps to a map
diff --git a/mapstructure.go b/mapstructure.go
index 40be511..319a8b4 100644
--- a/mapstructure.go
+++ b/mapstructure.go
@@ -67,6 +67,7 @@
// FALSE, false, False. Anything else is an error)
// - empty array = empty map and vice versa
// - negative numbers to overflowed uint values (base 10)
+ // - slice of maps to a merged map
//
WeaklyTypedInput bool
@@ -456,15 +457,30 @@
// Check input type
dataVal := reflect.Indirect(reflect.ValueOf(data))
if dataVal.Kind() != reflect.Map {
- // Accept empty array/slice instead of an empty map in weakly typed mode
- if d.config.WeaklyTypedInput &&
- (dataVal.Kind() == reflect.Slice || dataVal.Kind() == reflect.Array) &&
- dataVal.Len() == 0 {
- val.Set(valMap)
- return nil
- } else {
- return fmt.Errorf("'%s' expected a map, got '%s'", name, dataVal.Kind())
+ // In weak mode, we accept a slice of maps as an input...
+ if d.config.WeaklyTypedInput {
+ switch dataVal.Kind() {
+ case reflect.Array, reflect.Slice:
+ // Special case for BC reasons (covered by tests)
+ if dataVal.Len() == 0 {
+ val.Set(valMap)
+ return nil
+ }
+
+ for i := 0; i < dataVal.Len(); i++ {
+ err := d.decode(
+ fmt.Sprintf("%s[%d]", name, i),
+ dataVal.Index(i).Interface(), val)
+ if err != nil {
+ return err
+ }
+ }
+
+ return nil
+ }
}
+
+ return fmt.Errorf("'%s' expected a map, got '%s'", name, dataVal.Kind())
}
// Accumulate errors
