{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"FnAbiRequest::OfFnPtr"}]}
                FnAbiRequest::OfFnPtr { sig, extra_args } => {
            match fn_abi_request {
                    span_bug!(span, "`fn_abi_of_fn_ptr({sig}, {extra_args:?})` failed: {err:?}");