优化结构

internal/config/clone.go

@@ -1,41 +1,12 @@
 package config
 
-// Clone returns a deep copy of a configuration snapshot. The copy helpers are
-// intentionally kept in the config package so data/integration code does not
-// need protobuf cloning or storage-specific serializers.
-func Clone(value *Config) *Config { return cloneConfig(value) }
-
-func CloneData(value *Data) *Data {
-	if value == nil {
-		return nil
-	}
-	return cloneConfig(&Config{Data: value}).Data
-}
-
-func CloneAdmin(value *Admin) *Admin {
-	if value == nil {
-		return nil
-	}
-	return cloneConfig(&Config{Admin: value}).Admin
-}
-
-func CloneDatabase(value *Database) *Database {
-	if value == nil {
-		return nil
-	}
-	return cloneConfig(&Config{Data: &Data{Database: value}}).Data.Database
-}
-
-func CloneStorage(value *Storage) *Storage {
-	if value == nil {
-		return nil
-	}
-	return cloneConfig(&Config{Admin: &Admin{Storage: value}}).Admin.Storage
-}
-
-func CloneEmail(value *Email) *Email {
-	if value == nil {
-		return nil
-	}
-	return cloneConfig(&Config{Admin: &Admin{Email: value}}).Admin.Email
-}
+// The exported clone surface. Deep copying lives in the config package so
+// data/integration code needs neither protobuf cloning nor a storage-specific
+// serializer to hand out a snapshot a caller may safely mutate. Each function
+// returns nil for a nil input.
+func Clone(value *Config) *Config             { return cloneConfig(value) }
+func CloneData(value *Data) *Data             { return cloneData(value) }
+func CloneAdmin(value *Admin) *Admin          { return cloneAdmin(value) }
+func CloneDatabase(value *Database) *Database { return clonePtr(value) }
+func CloneStorage(value *Storage) *Storage    { return cloneStorage(value) }
+func CloneEmail(value *Email) *Email          { return clonePtr(value) }