/home/nikita/Documents/shad-cpp/hash-table/concurrent_hash_map.h:98:129: error: wrong number of template arguments (2, should be 3)
  using MapPType = typename std::conditional<is_const, typename ConcurrentHashMap const* const, typename ConcurrentHashMap* const>::type;
                                                                                                                                 ^
In file included from /usr/include/c++/8.2.1/bits/move.h:55,
                 from /usr/include/c++/8.2.1/bits/stl_pair.h:59,
                 from /usr/include/c++/8.2.1/bits/stl_algobase.h:64,
                 from /usr/include/c++/8.2.1/bits/char_traits.h:39,
                 from /usr/include/c++/8.2.1/string:40,
                 from /home/nikita/Documents/shad-cpp/hash-table/test.cpp:1:
/usr/include/c++/8.2.1/type_traits:92:12: note: provided for ‘template<bool <anonymous>, class, class> struct std::conditional’
     struct conditional;
            ^~~~~~~~~~~
In file included from /home/nikita/Documents/shad-cpp/hash-table/test.cpp:12:
/home/nikita/Documents/shad-cpp/hash-table/concurrent_hash_map.h:98:130: error: expected identifier before ‘::’ token
  using MapPType = typename std::conditional<is_const, typename ConcurrentHashMap const* const, typename ConcurrentHashMap* const>::type;