CHANGELOG.md

 
+<a name="v1.10.0"></a>
+## [v1.10.0] - 2022-10-17
+### Bug Fixes
+- fix panic is format is nil
+
+
 <a name="v1.9.0"></a>
 ## [v1.9.0] - 2022-10-17
 ### Add Features
@@ -90,6 +96,7 @@
 <a name="v1.0.0"></a>
 ## v1.0.0 - 2022-09-18
 
+[v1.10.0]: https://gitlab.schukai.com/oss/libraries/go/application/configuration/compare/v1.9.0...v1.10.0
 [v1.9.0]: https://gitlab.schukai.com/oss/libraries/go/application/configuration/compare/v1.8.0...v1.9.0
 [v1.8.0]: https://gitlab.schukai.com/oss/libraries/go/application/configuration/compare/v1.7.1...v1.8.0
 [v1.7.1]: https://gitlab.schukai.com/oss/libraries/go/application/configuration/compare/v1.7.0...v1.7.1

file.go

@@ -37,9 +37,10 @@ func (s *Settings[c]) HasFile(file string) bool {
 func (s *Settings[C]) AddFile(file string, format ...Format) *Settings[C] {
 
 	var f Format
-	f = RecogniseFormat
 
-	if len(format) <= 1 {
+	if format == nil || len(format) == 0 {
+		f = RecogniseFormat
+	} else if format != nil && len(format) == 1 {
 		f = format[0]
 	} else {
 		panic("too many arguments")

release.json

-{"version":"1.9.0"}
+{"version":"1.10.0"}