{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"tls::with_current_program(|prog|"}]}
        tls::with_current_program(|prog| Some(prog?.debug_fn_def_id(fn_def_id, fmt)))
    fn debug_fn_def_id(fn_def_id: FnDefId, fmt: &mut fmt::Formatter<'_>) -> Option<fmt::Result> {
    }