{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"self.pat_lang_item_variant(span,"}]}
        self.pat_lang_item_variant(span, hir::LangItem::OptionNone, &[])
    fn pat_none(&mut self, span: Span) -> &'hir hir::Pat<'hir> {
    }