In file included from /usr/include/c++/5/algorithm:62:0,
from prog.cpp:3:
/usr/include/c++/5/bits/stl_algo.h: In instantiation of '_IIter std::find_if(_IIter, _IIter, _Predicate) [with _IIter = __gnu_cxx::__normal_iterator<const int*, std::vector<int> >; _Predicate = A::member()::<lambda(int)>]':
prog.cpp:12:82: required from here
/usr/include/c++/5/bits/stl_algo.h:3816:37: error: use of deleted function 'A::member()::<lambda(int)>::<lambda>(const A::member()::<lambda(int)>&)'
__gnu_cxx::__ops::__pred_iter(__pred));
^
prog.cpp:12:35: note: 'A::member()::<lambda(int)>::<lambda>(const A::member()::<lambda(int)>&)' is implicitly deleted because the default definition would be ill-formed:
[ p { std::move(p) } ](int val) { return val == 5 ? true : false ;}) == f.cend() )
^
prog.cpp:12:35: error: use of deleted function 'std::unique_ptr<_Tp, _Dp>::unique_ptr(const std::unique_ptr<_Tp, _Dp>&) [with _Tp = int; _Dp = std::default_delete<int>]'
In file included from /usr/include/c++/5/memory:81:0,
from prog.cpp:1:
/usr/include/c++/5/bits/unique_ptr.h:356:7: note: declared here
unique_ptr(const unique_ptr&) = delete;
^
In file included from /usr/include/c++/5/bits/stl_algobase.h:71:0,
from /usr/include/c++/5/memory:62,
from prog.cpp:1:
/usr/include/c++/5/bits/predefined_ops.h:239:5: note: initializing argument 1 of '__gnu_cxx::__ops::_Iter_pred<_Predicate> __gnu_cxx::__ops::__pred_iter(_Predicate) [with _Predicate = A::member()::<lambda(int)>]'
__pred_iter(_Predicate __pred)
^
/usr/include/c++/5/bits/predefined_ops.h:239:5: error: '__gnu_cxx::__ops::_Iter_pred<_Predicate> __gnu_cxx::__ops::__pred_iter(_Predicate) [with _Predicate = A::member()::<lambda(int)>]', declared using local type 'A::member()::<lambda(int)>', is used but never defined [-fpermissive]