Author
anonymous
almost 8 years ago
Language
C++
Compiler
gcc HEAD 9.0.0 20180919 (experimental)
Options
Warnings
Boost 1.67.0
C++2a(GNU)
no pedantic
Author
anonymous
almost 8 years ago
$ g++ prog.cc -Wall -Wextra -I/opt/wandbox/boost-1.67.0/gcc-head/include -std=gnu++2a prog.cc: In function 'int main()':
prog.cc:18:52: error: no matches converting function 'insert_or_assign' to type 'struct std::pair<std::_Rb_tree_iterator<std::pair<const std::__cxx11::basic_string<char>, int> >, bool> (class std::map<std::__cxx11::basic_string<char>, int>::*)(std::map<std::__cxx11::basic_string<char>, int>::key_type, std::map<std::__cxx11::basic_string<char>, int>::mapped_type&&)' {aka 'struct std::pair<std::_Rb_tree_iterator<std::pair<const std::__cxx11::basic_string<char>, int> >, bool> (class std::map<std::__cxx11::basic_string<char>, int>::*)(class std::__cxx11::basic_string<char>, int&&)'}
18 | (&decltype(karta)::insert_or_assign),
| ^
In file included from /opt/wandbox/gcc-head/include/c++/9.0.0/map:61,
from prog.cc:4:
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:993:2: note: candidates are: 'template<class _Obj> std::map<_Key, _Tp, _Compare, _Alloc>::iterator std::map<_Key, _Tp, _Compare, _Alloc>::insert_or_assign(std::map<_Key, _Tp, _Compare, _Alloc>::const_iterator, std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&, _Obj&&) [with _Obj = _Obj; _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >]'
993 | insert_or_assign(const_iterator __hint, key_type&& __k, _Obj&& __obj)
| ^~~~~~~~~~~~~~~~
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:972:2: note: 'template<class _Obj> std::map<_Key, _Tp, _Compare, _Alloc>::iterator std::map<_Key, _Tp, _Compare, _Alloc>::insert_or_assign(std::map<_Key, _Tp, _Compare, _Alloc>::const_iterator, const key_type&, _Obj&&) [with _Obj = _Obj; _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >]'
972 | insert_or_assign(const_iterator __hint,
| ^~~~~~~~~~~~~~~~
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:935:2: note: 'template<class _Obj> std::pair<typename std::_Rb_tree<_Key, std::pair<const _Key, _Tp>, std::_Select1st<std::pair<const _Key, _Tp> >, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<std::pair<const _Key, _Tp> >::other>::iterator, bool> std::map<_Key, _Tp, _Compare, _Alloc>::insert_or_assign(std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&, _Obj&&) [with _Obj = _Obj; _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >]'
935 | insert_or_assign(key_type&& __k, _Obj&& __obj)
| ^~~~~~~~~~~~~~~~
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:917:2: note: 'template<class _Obj> std::pair<typename std::_Rb_tree<_Key, std::pair<const _Key, _Tp>, std::_Select1st<std::pair<const _Key, _Tp> >, _Compare, typename __gnu_cxx::__alloc_traits<_Allocator>::rebind<std::pair<const _Key, _Tp> >::other>::iterator, bool> std::map<_Key, _Tp, _Compare, _Alloc>::insert_or_assign(const key_type&, _Obj&&) [with _Obj = _Obj; _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >]'
917 | insert_or_assign(const key_type& __k, _Obj&& __obj)
| ^~~~~~~~~~~~~~~~
prog.cc:26:46: error: no matches converting function 'operator[]' to type 'std::map<std::__cxx11::basic_string<char>, int>::mapped_type (class std::map<std::__cxx11::basic_string<char>, int>::*)(const key_type&)' {aka 'int (class std::map<std::__cxx11::basic_string<char>, int>::*)(const class std::__cxx11::basic_string<char>&)'}
26 | (&decltype(karta)::operator[]),
| ^
In file included from /opt/wandbox/gcc-head/include/c++/9.0.0/map:61,
from prog.cc:4:
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:510:7: note: candidates are: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](std::map<_Key, _Tp, _Compare, _Alloc>::key_type&&) [with _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::__cxx11::basic_string<char>]'
510 | operator[](key_type&& __k)
| ^~~~~~~~
/opt/wandbox/gcc-head/include/c++/9.0.0/bits/stl_map.h:490:7: note: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type = int; std::map<_Key, _Tp, _Compare, _Alloc>::key_type = std::__cxx11::basic_string<char>]'
490 | operator[](const key_type& __k)
| ^~~~~~~~
Exit Code:
1