Improve OPML import/export

errors/errors.go

@@ -6,22 +6,27 @@ package errors
 
 import (
 	"fmt"
+
 	"github.com/miniflux/miniflux2/locale"
 )
 
+// LocalizedError represents an error than could be translated to another language.
 type LocalizedError struct {
 	message string
 	args    []interface{}
 }
 
+// Error returns untranslated error message.
 func (l LocalizedError) Error() string {
 	return fmt.Sprintf(l.message, l.args...)
 }
 
+// Localize returns the translated error message.
 func (l LocalizedError) Localize(translation *locale.Language) string {
 	return translation.Get(l.message, l.args...)
 }
 
+// NewLocalizedError returns a new LocalizedError.
 func NewLocalizedError(message string, args ...interface{}) LocalizedError {
 	return LocalizedError{message: message, args: args}
 }