pub trait XmlSerializeRoot {
// Required method
fn serialize_root(&self, writer: &mut Writer<&mut Vec<u8>>) -> Result<()>;
// Provided method
fn serialize_to_string(&self) -> Result<String> { ... }
}
pub trait XmlSerializeRoot {
// Required method
fn serialize_root(&self, writer: &mut Writer<&mut Vec<u8>>) -> Result<()>;
// Provided method
fn serialize_to_string(&self) -> Result<String> { ... }
}