{"ast_node_type":"variable","tokens":[{"end":37,"kind":"keyword","start":0,"text":"let"}]}
        let adt = it.adt_id(self.db);
    ) -> Result<(usize, Arc<Layout>, Option<(usize, usize, i128)>)> {
        if let DefWithBodyId::VariantId(f) = locals.body.owner {