package atomfeed import ( "encoding/xml" "errors" ) type ExtensionElement struct { Value any `xml:",innerxml"` XMLName xml.Name } func NewExtensionElement(name string, value any) *ExtensionElement { return &ExtensionElement{XMLName: xml.Name{Local: name}, Value: value} } func (e *ExtensionElement) Check() error { if e.Value == nil { return errors.New("value element of extension element empty") } return nil }