client, pkg, server, test: replaced 'interface{}' with 'any' (#4611)

pkg/config/legacy/client.go

@@ -170,7 +170,7 @@ type ClientCommonConf struct {
 }
 
 // Supported sources including: string(file path), []byte, Reader interface.
-func UnmarshalClientConfFromIni(source interface{}) (ClientCommonConf, error) {
+func UnmarshalClientConfFromIni(source any) (ClientCommonConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{
 		Insensitive:         false,
 		InsensitiveSections: false,
@@ -203,7 +203,7 @@ func UnmarshalClientConfFromIni(source interface{}) (ClientCommonConf, error) {
 // otherwise just start proxies in startProxy map
 func LoadAllProxyConfsFromIni(
 	prefix string,
-	source interface{},
+	source any,
 	start []string,
 ) (map[string]ProxyConf, map[string]VisitorConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{

pkg/config/legacy/server.go

@@ -217,7 +217,7 @@ func GetDefaultServerConf() ServerCommonConf {
 	}
 }
 
-func UnmarshalServerConfFromIni(source interface{}) (ServerCommonConf, error) {
+func UnmarshalServerConfFromIni(source any) (ServerCommonConf, error) {
 	f, err := ini.LoadSources(ini.LoadOptions{
 		Insensitive:         false,
 		InsensitiveSections: false,

pkg/config/load.go

@@ -118,7 +118,7 @@ func LoadConfigure(b []byte, c any, strict bool) error {
 	defer v1.DisallowUnknownFieldsMu.Unlock()
 	v1.DisallowUnknownFields = strict
 
-	var tomlObj interface{}
+	var tomlObj any
 	// Try to unmarshal as TOML first; swallow errors from that (assume it's not valid TOML).
 	if err := toml.Unmarshal(b, &tomlObj); err == nil {
 		b, err = json.Marshal(&tomlObj)