Eroare de compilare: In file included from /usr/include/c++/12.2.1/set:60, from main.cpp:74: /usr/include/c++/12.2.1/bits/stl_tree.h: In instantiation of 'static const _Key& std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_S_key(_Const_Link_type) [with _Key = punct; _Val = punct; _KeyOfValue = std::_Identity<punct>; _Compare = comps; _Alloc = std::allocator<punct>; _Const_Link_type = const std::_Rb_tree_node<punct>*]': /usr/include/c++/12.2.1/bits/stl_tree.h:2117:47: required from 'std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = punct; _Val = punct; _KeyOfValue = std::_Identity<punct>; _Compare = comps; _Alloc = std::allocator<punct>; key_type = punct]' /usr/include/c++/12.2.1/bits/stl_tree.h:2170:4: required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = const punct&; _Key = punct; _Val = punct; _KeyOfValue = std::_Identity<punct>; _Compare = comps; _Alloc = std::allocator<punct>]' /usr/include/c++/12.2.1/bits/stl_set.h:512:25: required from 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = punct; _Compare = comps; _Alloc = std::allocator<punct>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<punct, punct, std::_Identity<punct>, comps, std::allocator<punct> >::const_iterator; typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other = std::allocator<punct>; typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key> = __gnu_cxx::__alloc_traits<std::allocator<punct>, punct>::rebind<punct>; typename _Alloc::value_type = punct; value_type = punct]' main.cpp:126:17: required from here /usr/include/c++/12.2.1/bits/stl_tree.h:770:15: error: static assertion failed: comparison object must be invocable as const 770 | is_invocable_v<const _Compare&, const _Key&, const _Key&>, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/12.2.1/bits/stl_tree.h:770:15: note: 'std::is_invocable_v<const comps&, const punct&, const punct&>' evaluates to false Non zero exit status: 1