Method into_result

crates/derive-impl/src/util.rs:647–653

(self)

    fn into_error(self) -> Option<syn::Error>;

    fn into_result(self) -> Result<()> {
        if let Some(error) = self.into_error() {
            Err(error)
        } else {
            Ok(())
        }
    }

    fn ok_or_push<T>(&mut self, r: Result<T>) -> Option<T>;
}