In file included from /in/Compile/Map_compile_check.cpp:5:0:
/in/Map.h: In instantiation of 'Value_type& Map<Key_type, Value_type, Key_compare>::operator[](const Key_type&) [with Key_type = std::__cxx11::basic_string<char>; Value_type = int; Key_compare = std::less<std::__cxx11::basic_string<char> >]':
/in/Compile/Map_compile_check.cpp:85:21:   required from here
/in/Map.h:118:9: error: no match for 'operator=' (operand types are 'BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator' and 'std::__cxx11::basic_string<char>')
       it=result->first;
       ~~^~~~~~~~~~~~~~
In file included from /in/Map.h:19:0,
                 from /in/Compile/Map_compile_check.cpp:5:
/in/BinarySearchTree.h:151:9: note: candidate: constexpr BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator& BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator::operator=(const BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator&)
   class Iterator {
         ^~~~~~~~
/in/BinarySearchTree.h:151:9: note:   no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator&'
/in/BinarySearchTree.h:151:9: note: candidate: constexpr BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator& BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator::operator=(BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator&&)
/in/BinarySearchTree.h:151:9: note:   no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'BinarySearchTree<std::pair<std::__cxx11::basic_string<char>, int>, Map<std::__cxx11::basic_string<char>, int>::PairComp>::Iterator&&'
In file included from /in/Compile/Map_compile_check.cpp:5:0:
/in/Map.h: In instantiation of 'Value_type& Map<Key_type, Value_type, Key_compare>::operator[](const Key_type&) [with Key_type = Duck; Value_type = std::__cxx11::basic_string<char>; Key_compare = DuckWealthLess]':
/in/Compile/Map_compile_check.cpp:87:35:   required from here
/in/Map.h:118:9: error: no match for 'operator=' (operand types are 'BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator' and 'Duck')
       it=result->first;
       ~~^~~~~~~~~~~~~~
In file included from /in/Map.h:19:0,
                 from /in/Compile/Map_compile_check.cpp:5:
/in/BinarySearchTree.h:151:9: note: candidate: constexpr BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator& BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator::operator=(const BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator&)
   class Iterator {
         ^~~~~~~~
/in/BinarySearchTree.h:151:9: note:   no known conversion for argument 1 from 'Duck' to 'const BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator&'
/in/BinarySearchTree.h:151:9: note: candidate: constexpr BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator& BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator::operator=(BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator&&)
/in/BinarySearchTree.h:151:9: note:   no known conversion for argument 1 from 'Duck' to 'BinarySearchTree<std::pair<Duck, std::__cxx11::basic_string<char> >, Map<Duck, std::__cxx11::basic_string<char>, DuckWealthLess>::PairComp>::Iterator&&'
/in/Compile/Makefile:32: recipe for target 'Map_compile_check.exe' failed
make: *** [Map_compile_check.exe] Error 1