minor changes

src/entt/entity/observer.hpp

@@ -258,7 +258,7 @@ public:
     /*! @brief Underlying entity identifier. */
     using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename sparse_set<Entity>::size_type;
+    using size_type = std::size_t;
     /*! @brief Input iterator type. */
     using iterator_type = typename sparse_set<Entity>::iterator_type;
 

src/entt/entity/runtime_view.hpp

@@ -141,9 +141,9 @@ class basic_runtime_view {
 
 public:
     /*! @brief Underlying entity identifier. */
-    using entity_type = typename sparse_set<Entity>::entity_type;
+    using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename sparse_set<Entity>::size_type;
+    using size_type = std::size_t;
     /*! @brief Input iterator type. */
     using iterator_type = iterator;
 

src/entt/entity/storage.hpp

@@ -158,9 +158,9 @@ public:
     /*! @brief Type of the objects associated with the entities. */
     using object_type = Type;
     /*! @brief Underlying entity identifier. */
-    using entity_type = typename underlying_type::entity_type;
+    using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename underlying_type::size_type;
+    using size_type = std::size_t;
     /*! @brief Random access iterator type. */
     using iterator_type = iterator<false>;
     /*! @brief Constant random access iterator type. */
@@ -597,9 +597,9 @@ public:
     /*! @brief Type of the objects associated with the entities. */
     using object_type = Type;
     /*! @brief Underlying entity identifier. */
-    using entity_type = typename underlying_type::entity_type;
+    using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename underlying_type::size_type;
+    using size_type = std::size_t;
     /*! @brief Random access iterator type. */
     using iterator_type = iterator;
 

src/entt/entity/view.hpp

@@ -191,9 +191,9 @@ class basic_view {
 
 public:
     /*! @brief Underlying entity identifier. */
-    using entity_type = typename sparse_set<Entity>::entity_type;
+    using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename sparse_set<Entity>::size_type;
+    using size_type = std::size_t;
     /*! @brief Input iterator type. */
     using iterator_type = iterator;
 
@@ -539,9 +539,9 @@ public:
     /*! @brief Type of component iterated by the view. */
     using raw_type = Component;
     /*! @brief Underlying entity identifier. */
-    using entity_type = typename pool_type::entity_type;
+    using entity_type = Entity;
     /*! @brief Unsigned integer type. */
-    using size_type = typename pool_type::size_type;
+    using size_type = std::size_t;
     /*! @brief Input iterator type. */
     using iterator_type = typename sparse_set<Entity>::iterator_type;