Improve hashmap

Author: Julian LALU

interface/core/containers/hashmap.h

@@ -163,13 +163,6 @@ namespace hud
             requires(hud::is_nothrow_copy_assignable_v<pair_type>)
             = default;
 
-            // template<typename u_key_t = key_t, typename u_value_t = value_t>
-            // constexpr hashmap_storage &operator=(const hashmap_storage<u_key_t, u_value_t> &other) noexcept
-            // {
-            //     element_ = other.element_;
-            //     return *this;
-            // }
-
         protected:
             /**
              * Move constructor.
@@ -204,10 +197,12 @@ namespace hud
                 static_assert(hud::is_nothrow_move_constructible_v<value_t, u_value_t>, "value_t(u_value_t&&) move constructor is throwable. hashmap_storage is not designed to allow throwable move constructible components");
             }
 
-        private:
             /** hashmap_storage with other key or value can access private members of hashmap_storage. */
             template<typename u_key_t, typename u_value_t>
             friend class hashmap_storage;
+            /** Only the slot can move construct storage. */
+            template<typename u_storage>
+            friend struct slot;
 
         protected:
             /** The pair containing the key and value. */

interface/core/containers/hashset.h

@@ -92,7 +92,7 @@ namespace hud
              * @param other The slot with a compatible storage to move from.
              */
             template<typename u_storage_t = storage_type>
-            requires(hud::is_move_constructible_v<storage_type, u_storage_t>)
+            // requires(hud::is_move_constructible_v<storage_type, u_storage_t>)
             constexpr explicit(!hud::is_convertible_v<storage_type, u_storage_t>) slot(slot<u_storage_t> &&other) noexcept
                 : storage_type(hud::move(other))
             {
@@ -1333,7 +1333,7 @@ namespace hud
                             // Save h2 in control h1 index
                             control::set_h2(control_ptr_, slot_index, H2(hash), max_slot_count_);
                             // Copy slot
-                            hud::memory::construct_object_at(slot_ptr_ + slot_index, *slot_ptr);
+                            hud::memory::construct_object_at(slot_ptr_ + slot_index, hud::move(*slot_ptr));
                         };
                         iterate_over_full_slots(other.control_ptr_, other.slot_ptr_, count_, other.max_slot_count_, insert_slot_by_copy);
                     }