doll.cpp:28:2: error: expected ';' after struct definition
28 | }
| ^
| ;
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from doll.cpp:6:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_comp_iter<_Compare>::operator()(_Iterator1, _Iterator2) [with _Iterator1 = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Iterator2 = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = std::greater<int>]':
/usr/include/c++/10/bits/stl_algo.h:82:17: required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1924:34: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1958:38: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = std::greater<int>]'
doll.cpp:107:92: required from here
/usr/include/c++/10/bits/predefined_ops.h:156:30: error: no match for call to '(std::greater<int>) (pot_switch&, pot_switch&)'
156 | { return bool(_M_comp(*__it1, *__it2)); }
| ~~~~~~~^~~~~~~~~~~~~~~~
In file included from /usr/include/c++/10/string:48,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from doll.cpp:6:
/usr/include/c++/10/bits/stl_function.h:375:7: note: candidate: 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = int]'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ^~~~~~~~
/usr/include/c++/10/bits/stl_function.h:375:29: note: no known conversion for argument 1 from 'pot_switch' to 'const int&'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from doll.cpp:6:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_comp_iter<_Compare>::operator()(_Value&, _Iterator) [with _Value = pot_switch; _Iterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = std::greater<int>]':
/usr/include/c++/10/bits/stl_algo.h:1826:20: required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Val_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1854:36: required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1886:25: required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1977:31: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = std::greater<int>]'
doll.cpp:107:92: required from here
/usr/include/c++/10/bits/predefined_ops.h:238:23: error: no match for call to '(std::greater<int>) (pot_switch&, pot_switch&)'
238 | { return bool(_M_comp(__val, *__it)); }
| ~~~~~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/10/string:48,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from doll.cpp:6:
/usr/include/c++/10/bits/stl_function.h:375:7: note: candidate: 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = int]'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ^~~~~~~~
/usr/include/c++/10/bits/stl_function.h:375:29: note: no known conversion for argument 1 from 'pot_switch' to 'const int&'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/bits/stl_algobase.h:71,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from doll.cpp:6:
/usr/include/c++/10/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_comp_val<_Compare>::operator()(_Iterator, _Value&) [with _Iterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Value = pot_switch; _Compare = std::greater<int>]':
/usr/include/c++/10/bits/stl_heap.h:139:48: required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Distance = long int; _Tp = pot_switch; _Compare = __gnu_cxx::__ops::_Iter_comp_val<std::greater<int> >]'
/usr/include/c++/10/bits/stl_heap.h:246:23: required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Distance = long int; _Tp = pot_switch; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_heap.h:355:22: required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1666:23: required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1937:25: required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1953:27: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:1974:25: required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<std::greater<int> >]'
/usr/include/c++/10/bits/stl_algo.h:4892:18: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<pot_switch*, std::vector<pot_switch> >; _Compare = std::greater<int>]'
doll.cpp:107:92: required from here
/usr/include/c++/10/bits/predefined_ops.h:194:23: error: no match for call to '(std::greater<int>) (pot_switch&, pot_switch&)'
194 | { return bool(_M_comp(*__it, __val)); }
| ~~~~~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/10/string:48,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from doll.cpp:6:
/usr/include/c++/10/bits/stl_function.h:375:7: note: candidate: 'constexpr bool std::greater<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = int]'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ^~~~~~~~
/usr/include/c++/10/bits/stl_function.h:375:29: note: no known conversion for argument 1 from 'pot_switch' to 'const int&'
375 | operator()(const _Tp& __x, const _Tp& __y) const
| ~~~~~~~~~~~^~~