In file included from /usr/include/c++/6/bits/hashtable.h:35:0,
from /usr/include/c++/6/unordered_set:47,
from prog.cpp:2:
/usr/include/c++/6/bits/hashtable_policy.h: In instantiation of ‘struct std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > >’:
/usr/include/c++/6/type_traits:143:12: required from ‘struct std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > >’
/usr/include/c++/6/type_traits:154:38: required from ‘struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
/usr/include/c++/6/bits/unordered_set.h:95:63: required from ‘class std::unordered_set<std::_List_iterator<int> >’
prog.cpp:6:27: required from here
/usr/include/c++/6/bits/hashtable_policy.h:85:34: error: no match for call to ‘(const std::hash<std::_List_iterator<int> >) (const std::_List_iterator<int>&)’
noexcept(declval<const _Hash&>()(declval<const _Key&>()))>
~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/6/bits/move.h:57:0,
from /usr/include/c++/6/bits/stl_pair.h:59,
from /usr/include/c++/6/bits/stl_algobase.h:64,
from /usr/include/c++/6/list:60,
from prog.cpp:1:
/usr/include/c++/6/type_traits: In instantiation of ‘struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’:
/usr/include/c++/6/bits/unordered_set.h:95:63: required from ‘class std::unordered_set<std::_List_iterator<int> >’
prog.cpp:6:27: required from here
/usr/include/c++/6/type_traits:154:38: error: ‘value’ is not a member of ‘std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > >’
: public integral_constant<bool, !_Pp::value>
^~~~
In file included from /usr/include/c++/6/unordered_set:48:0,
from prog.cpp:2:
/usr/include/c++/6/bits/unordered_set.h: In instantiation of ‘class std::unordered_set<std::_List_iterator<int> >’:
prog.cpp:6:27: required from here
/usr/include/c++/6/bits/unordered_set.h:95:63: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef __uset_hashtable<_Value, _Hash, _Pred, _Alloc> _Hashtable;
^~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:102:45: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::key_type key_type;
^~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:103:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::value_type value_type;
^~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:104:43: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::hasher hasher;
^~~~~~
/usr/include/c++/6/bits/unordered_set.h:105:46: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::key_equal key_equal;
^~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:106:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::allocator_type allocator_type;
^~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:111:45: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::pointer pointer;
^~~~~~~
/usr/include/c++/6/bits/unordered_set.h:112:50: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::const_pointer const_pointer;
^~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:113:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::reference reference;
^~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:114:52: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::const_reference const_reference;
^~~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:115:46: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::iterator iterator;
^~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:116:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::const_iterator const_iterator;
^~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:117:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::local_iterator local_iterator;
^~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:118:57: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::const_local_iterator const_local_iterator;
^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:119:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::size_type size_type;
^~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:120:52: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
typedef typename _Hashtable::difference_type difference_type;
^~~~~~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:274:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
operator=(initializer_list<value_type> __l)
^~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:368:2: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
emplace(_Args&&... __args)
^~~~~~~
/usr/include/c++/6/bits/unordered_set.h:412:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
insert(const value_type& __x)
^~~~~~
/usr/include/c++/6/bits/unordered_set.h:416:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
insert(value_type&& __x)
^~~~~~
/usr/include/c++/6/bits/unordered_set.h:471:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
insert(initializer_list<value_type> __l)
^~~~~~
/usr/include/c++/6/bits/unordered_set.h:616:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
equal_range(const key_type& __x)
^~~~~~~~~~~
/usr/include/c++/6/bits/unordered_set.h:620:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::_List_iterator<int> > >, std::__detail::__is_noexcept_hash<std::_List_iterator<int>, std::hash<std::_List_iterator<int> > > > >’
equal_range(const key_type& __x) const
^~~~~~~~~~~