fix: Copy to an invalid addr but can set is not effective.

jinzhu · Jun 21, 2022 · 7afe0ac · 7afe0ac
1 parent 71e2b36
commit 7afe0ac
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/copier.go b/copier.go
@@ -108,6 +108,10 @@ func copier(toValue interface{}, fromValue interface{}, opt Option) (err error)
 		}
 		to = reflect.New(toPtr.Type().Elem())
 		toPtr.Set(to)
+		// reindirect
+		if to = indirect(reflect.ValueOf(toValue)); !to.CanAddr() {
+			return ErrInvalidCopyDestination
+		}
 	}
 
 	// Return is from value is invalid