{"ast_node_type":"function","tokens":[{"end":78,"kind":"keyword","start":0,"text":"fn"}]}
    fn into_diag(self, dcx: DiagCtxtHandle<'a>, level: Level) -> Diag<'a, G> {
impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for UnsupportedLiteral {
        let mut diag = Diag::new(