C forbids braced-groups within expressions [-Wpedantic] 199 | ({ | ^ /nix/store/jd6h07kk8y8pxlha2gisrzfifpscm5kq-pipewire-1.2.7-dev/include/spa-0.2/spa/pod/parser.h:556:9: note: in expansion of macro 'spa_interface_call_res' 113 | spa_interface_call_res(&o->iface, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from /nix/store/zs2gq6fkglrd28g1nxlb8waqq37cdc2z-gcc-14-20241116/include/c++/14-20241116/bits/specfun.h:43, from /nix/store/zs2gq6fkglrd28g1nxlb8waqq37cdc2z-gcc-14-20241116/include/c++/14-20241116/cmath:3906, from /nix/store/j9xwizppkzp6nhxjpfhdwrrzcq3l8x5f-fmt-10.2.1-dev/include/fmt/format.h:36, from ../include/modules/cpu_usage.hpp:3, from ../src/modules/cpu_usage/common.cpp:1: In static member function 'static constexpr _Up* std::__copy_move<_IsMove, true, std::random_access_iterator_tag>::__copy_m(_Tp*, _Tp*, _Up*) [with _Tp = const short unsigned int; _Up = short unsigned int*, vector<short unsigned int> >; _ForwardIterator = short unsigned int*; _Tp = const short unsigned int*]' at /nix/store/zs2gq6fkglrd28g1nxlb8waqq37cdc2z-gcc-14-20241116/include/c++/14-20241116/bits/stl_algobase.h:548:42, inlined from 'constexpr _OI std::__copy_move_a2(_II, _II, _OI) [with _II = __gnu_cxx::__normal_iterator<const short unsigned int*, vector<short unsigned int> >; _OI = short unsigned int*]' at /nix/store/zs2gq6fkglrd28g1nxlb8waqq37cdc2z-gcc-14-20241116/include/c++/14-20241116/bits/stl_uninitialized.h:147:27, inlined from 'constexpr std::tuple< <template-parameter-1-1> >::tuple(_UTypes&& ...) [with _UHead = std::vector<short unsigned int>]' at /nix/store/zs2gq6fkglrd28g1nxlb8waqq37cdc2z-gcc-14-20241116/include/c++/14-20241116/tuple:209:4, inlined