diff --git a/develop/singles/headers/meta.hpp/meta_all.hpp b/develop/singles/headers/meta.hpp/meta_all.hpp
index 4e166d1..a80eb77 100644
--- a/develop/singles/headers/meta.hpp/meta_all.hpp
+++ b/develop/singles/headers/meta.hpp/meta_all.hpp
@@ -2621,7 +2621,7 @@ namespace meta_hpp
 {
     class argument_index final {
     public:
-        [[nodiscard]] const any_type& get_type() const noexcept;
+        [[nodiscard]] any_type get_type() const noexcept;
         [[nodiscard]] std::size_t get_position() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -2638,7 +2638,7 @@ namespace meta_hpp
 
     class constructor_index final {
     public:
-        [[nodiscard]] const constructor_type& get_type() const noexcept;
+        [[nodiscard]] constructor_type get_type() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const constructor_index&) const = default;
@@ -2653,7 +2653,7 @@ namespace meta_hpp
 
     class destructor_index final {
     public:
-        [[nodiscard]] const destructor_type& get_type() const noexcept;
+        [[nodiscard]] destructor_type get_type() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const destructor_index&) const = default;
@@ -2668,7 +2668,7 @@ namespace meta_hpp
 
     class evalue_index final {
     public:
-        [[nodiscard]] const enum_type& get_type() const noexcept;
+        [[nodiscard]] enum_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -2685,7 +2685,7 @@ namespace meta_hpp
 
     class function_index final {
     public:
-        [[nodiscard]] const function_type& get_type() const noexcept;
+        [[nodiscard]] function_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -2702,7 +2702,7 @@ namespace meta_hpp
 
     class member_index final {
     public:
-        [[nodiscard]] const member_type& get_type() const noexcept;
+        [[nodiscard]] member_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -2719,10 +2719,10 @@ namespace meta_hpp
 
     class method_index final {
     public:
-        [[nodiscard]] std::size_t get_hash() const noexcept;
-        [[nodiscard]] const method_type& get_type() const noexcept;
+        [[nodiscard]] method_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
+        [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const method_index&) const = default;
 
     private:
@@ -2751,7 +2751,7 @@ namespace meta_hpp
 
     class variable_index final {
     public:
-        [[nodiscard]] const pointer_type& get_type() const noexcept;
+        [[nodiscard]] pointer_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -3062,7 +3062,7 @@ namespace meta_hpp
         [[nodiscard]] const argument_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const any_type& get_type() const noexcept;
+        [[nodiscard]] any_type get_type() const noexcept;
         [[nodiscard]] std::size_t get_position() const noexcept;
 
         [[nodiscard]] const std::string& get_name() const noexcept;
@@ -3086,7 +3086,7 @@ namespace meta_hpp
         [[nodiscard]] const constructor_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const constructor_type& get_type() const noexcept;
+        [[nodiscard]] constructor_type get_type() const noexcept;
 
         template < typename... Args >
         [[nodiscard]] uvalue create(Args&&... args) const;
@@ -3122,7 +3122,7 @@ namespace meta_hpp
         [[nodiscard]] const destructor_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const destructor_type& get_type() const noexcept;
+        [[nodiscard]] destructor_type get_type() const noexcept;
 
         template < typename Arg >
         bool destroy(Arg&& arg) const;
@@ -3148,7 +3148,7 @@ namespace meta_hpp
         [[nodiscard]] const evalue_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const enum_type& get_type() const noexcept;
+        [[nodiscard]] enum_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] const uvalue& get_value() const noexcept;
@@ -3179,7 +3179,7 @@ namespace meta_hpp
         [[nodiscard]] const function_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const function_type& get_type() const noexcept;
+        [[nodiscard]] function_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename... Args >
@@ -3216,7 +3216,7 @@ namespace meta_hpp
         [[nodiscard]] const member_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const member_type& get_type() const noexcept;
+        [[nodiscard]] member_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename Instance >
@@ -3265,7 +3265,7 @@ namespace meta_hpp
         [[nodiscard]] const method_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const method_type& get_type() const noexcept;
+        [[nodiscard]] method_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename Instance, typename... Args >
@@ -3338,7 +3338,7 @@ namespace meta_hpp
         [[nodiscard]] const variable_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const pointer_type& get_type() const noexcept;
+        [[nodiscard]] pointer_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] uvalue get() const;
@@ -4789,7 +4789,7 @@ namespace meta_hpp
     : type_{type}
     , position_{position} {}
 
-    inline const any_type& argument_index::get_type() const noexcept {
+    inline any_type argument_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4807,7 +4807,7 @@ namespace meta_hpp
     inline constructor_index::constructor_index(constructor_type type)
     : type_{type} {}
 
-    inline const constructor_type& constructor_index::get_type() const noexcept {
+    inline constructor_type constructor_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4821,7 +4821,7 @@ namespace meta_hpp
     inline destructor_index::destructor_index(destructor_type type)
     : type_{type} {}
 
-    inline const destructor_type& destructor_index::get_type() const noexcept {
+    inline destructor_type destructor_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4836,7 +4836,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const enum_type& evalue_index::get_type() const noexcept {
+    inline enum_type evalue_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4855,7 +4855,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const function_type& function_index::get_type() const noexcept {
+    inline function_type function_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4874,7 +4874,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const member_type& member_index::get_type() const noexcept {
+    inline member_type member_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4893,7 +4893,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const method_type& method_index::get_type() const noexcept {
+    inline method_type method_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4926,7 +4926,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const pointer_type& variable_index::get_type() const noexcept {
+    inline pointer_type variable_index::get_type() const noexcept {
         return type_;
     }
 
@@ -4974,7 +4974,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const any_type& argument::get_type() const noexcept {
+    inline any_type argument::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -5178,7 +5178,7 @@ namespace meta_hpp::detail
             return ref_type_;
         }
 
-        [[nodiscard]] const any_type& get_raw_type() const noexcept {
+        [[nodiscard]] any_type get_raw_type() const noexcept {
             return raw_type_;
         }
 
@@ -5664,7 +5664,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const constructor_type& constructor::get_type() const noexcept {
+    inline constructor_type constructor::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -5836,7 +5836,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const destructor_type& destructor::get_type() const noexcept {
+    inline destructor_type destructor::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -5971,7 +5971,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const enum_type& evalue::get_type() const noexcept {
+    inline enum_type evalue::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -6192,7 +6192,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const function_type& function::get_type() const noexcept {
+    inline function_type function::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -6317,7 +6317,7 @@ namespace meta_hpp::detail
             return ref_type_;
         }
 
-        [[nodiscard]] const any_type& get_raw_type() const noexcept {
+        [[nodiscard]] any_type get_raw_type() const noexcept {
             return raw_type_;
         }
 
@@ -6686,7 +6686,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const member_type& member::get_type() const noexcept {
+    inline member_type member::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -6967,7 +6967,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const method_type& method::get_type() const noexcept {
+    inline method_type method::get_type() const noexcept {
         return state_->index.get_type();
     }
 
@@ -7184,7 +7184,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const pointer_type& variable::get_type() const noexcept {
+    inline pointer_type variable::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_detail/value_utilities/uarg.hpp b/headers/meta.hpp/meta_detail/value_utilities/uarg.hpp
index 5b66bfc..1ba3777 100644
--- a/headers/meta.hpp/meta_detail/value_utilities/uarg.hpp
+++ b/headers/meta.hpp/meta_detail/value_utilities/uarg.hpp
@@ -77,7 +77,7 @@ namespace meta_hpp::detail
             return ref_type_;
         }
 
-        [[nodiscard]] const any_type& get_raw_type() const noexcept {
+        [[nodiscard]] any_type get_raw_type() const noexcept {
             return raw_type_;
         }
 
diff --git a/headers/meta.hpp/meta_detail/value_utilities/uinst.hpp b/headers/meta.hpp/meta_detail/value_utilities/uinst.hpp
index f3793af..f7c49e3 100644
--- a/headers/meta.hpp/meta_detail/value_utilities/uinst.hpp
+++ b/headers/meta.hpp/meta_detail/value_utilities/uinst.hpp
@@ -82,7 +82,7 @@ namespace meta_hpp::detail
             return ref_type_;
         }
 
-        [[nodiscard]] const any_type& get_raw_type() const noexcept {
+        [[nodiscard]] any_type get_raw_type() const noexcept {
             return raw_type_;
         }
 
diff --git a/headers/meta.hpp/meta_indices.hpp b/headers/meta.hpp/meta_indices.hpp
index fc8b431..4bd5b62 100644
--- a/headers/meta.hpp/meta_indices.hpp
+++ b/headers/meta.hpp/meta_indices.hpp
@@ -15,7 +15,7 @@ namespace meta_hpp
 {
     class argument_index final {
     public:
-        [[nodiscard]] const any_type& get_type() const noexcept;
+        [[nodiscard]] any_type get_type() const noexcept;
         [[nodiscard]] std::size_t get_position() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -32,7 +32,7 @@ namespace meta_hpp
 
     class constructor_index final {
     public:
-        [[nodiscard]] const constructor_type& get_type() const noexcept;
+        [[nodiscard]] constructor_type get_type() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const constructor_index&) const = default;
@@ -47,7 +47,7 @@ namespace meta_hpp
 
     class destructor_index final {
     public:
-        [[nodiscard]] const destructor_type& get_type() const noexcept;
+        [[nodiscard]] destructor_type get_type() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const destructor_index&) const = default;
@@ -62,7 +62,7 @@ namespace meta_hpp
 
     class evalue_index final {
     public:
-        [[nodiscard]] const enum_type& get_type() const noexcept;
+        [[nodiscard]] enum_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -79,7 +79,7 @@ namespace meta_hpp
 
     class function_index final {
     public:
-        [[nodiscard]] const function_type& get_type() const noexcept;
+        [[nodiscard]] function_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -96,7 +96,7 @@ namespace meta_hpp
 
     class member_index final {
     public:
-        [[nodiscard]] const member_type& get_type() const noexcept;
+        [[nodiscard]] member_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
@@ -113,10 +113,10 @@ namespace meta_hpp
 
     class method_index final {
     public:
-        [[nodiscard]] std::size_t get_hash() const noexcept;
-        [[nodiscard]] const method_type& get_type() const noexcept;
+        [[nodiscard]] method_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
+        [[nodiscard]] std::size_t get_hash() const noexcept;
         [[nodiscard]] std::strong_ordering operator<=>(const method_index&) const = default;
 
     private:
@@ -145,7 +145,7 @@ namespace meta_hpp
 
     class variable_index final {
     public:
-        [[nodiscard]] const pointer_type& get_type() const noexcept;
+        [[nodiscard]] pointer_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] std::size_t get_hash() const noexcept;
diff --git a/headers/meta.hpp/meta_indices/argument_index.hpp b/headers/meta.hpp/meta_indices/argument_index.hpp
index 6e5f046..73a3df7 100644
--- a/headers/meta.hpp/meta_indices/argument_index.hpp
+++ b/headers/meta.hpp/meta_indices/argument_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , position_{position} {}
 
-    inline const any_type& argument_index::get_type() const noexcept {
+    inline any_type argument_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/constructor_index.hpp b/headers/meta.hpp/meta_indices/constructor_index.hpp
index 1dc6fc8..00740f7 100644
--- a/headers/meta.hpp/meta_indices/constructor_index.hpp
+++ b/headers/meta.hpp/meta_indices/constructor_index.hpp
@@ -16,7 +16,7 @@ namespace meta_hpp
     inline constructor_index::constructor_index(constructor_type type)
     : type_{type} {}
 
-    inline const constructor_type& constructor_index::get_type() const noexcept {
+    inline constructor_type constructor_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/destructor_index.hpp b/headers/meta.hpp/meta_indices/destructor_index.hpp
index 1e4937f..bb0ed49 100644
--- a/headers/meta.hpp/meta_indices/destructor_index.hpp
+++ b/headers/meta.hpp/meta_indices/destructor_index.hpp
@@ -16,7 +16,7 @@ namespace meta_hpp
     inline destructor_index::destructor_index(destructor_type type)
     : type_{type} {}
 
-    inline const destructor_type& destructor_index::get_type() const noexcept {
+    inline destructor_type destructor_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/evalue_index.hpp b/headers/meta.hpp/meta_indices/evalue_index.hpp
index b8c7ed5..b903201 100644
--- a/headers/meta.hpp/meta_indices/evalue_index.hpp
+++ b/headers/meta.hpp/meta_indices/evalue_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const enum_type& evalue_index::get_type() const noexcept {
+    inline enum_type evalue_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/function_index.hpp b/headers/meta.hpp/meta_indices/function_index.hpp
index d954dc3..5a4dc3d 100644
--- a/headers/meta.hpp/meta_indices/function_index.hpp
+++ b/headers/meta.hpp/meta_indices/function_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const function_type& function_index::get_type() const noexcept {
+    inline function_type function_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/member_index.hpp b/headers/meta.hpp/meta_indices/member_index.hpp
index 0fe009c..e358988 100644
--- a/headers/meta.hpp/meta_indices/member_index.hpp
+++ b/headers/meta.hpp/meta_indices/member_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const member_type& member_index::get_type() const noexcept {
+    inline member_type member_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/method_index.hpp b/headers/meta.hpp/meta_indices/method_index.hpp
index 2150a55..26f8761 100644
--- a/headers/meta.hpp/meta_indices/method_index.hpp
+++ b/headers/meta.hpp/meta_indices/method_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const method_type& method_index::get_type() const noexcept {
+    inline method_type method_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_indices/variable_index.hpp b/headers/meta.hpp/meta_indices/variable_index.hpp
index 838a2a4..7195c13 100644
--- a/headers/meta.hpp/meta_indices/variable_index.hpp
+++ b/headers/meta.hpp/meta_indices/variable_index.hpp
@@ -17,7 +17,7 @@ namespace meta_hpp
     : type_{type}
     , name_{std::move(name)} {}
 
-    inline const pointer_type& variable_index::get_type() const noexcept {
+    inline pointer_type variable_index::get_type() const noexcept {
         return type_;
     }
 
diff --git a/headers/meta.hpp/meta_states.hpp b/headers/meta.hpp/meta_states.hpp
index 2b47225..9b0f313 100644
--- a/headers/meta.hpp/meta_states.hpp
+++ b/headers/meta.hpp/meta_states.hpp
@@ -127,7 +127,7 @@ namespace meta_hpp
         [[nodiscard]] const argument_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const any_type& get_type() const noexcept;
+        [[nodiscard]] any_type get_type() const noexcept;
         [[nodiscard]] std::size_t get_position() const noexcept;
 
         [[nodiscard]] const std::string& get_name() const noexcept;
@@ -151,7 +151,7 @@ namespace meta_hpp
         [[nodiscard]] const constructor_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const constructor_type& get_type() const noexcept;
+        [[nodiscard]] constructor_type get_type() const noexcept;
 
         template < typename... Args >
         [[nodiscard]] uvalue create(Args&&... args) const;
@@ -187,7 +187,7 @@ namespace meta_hpp
         [[nodiscard]] const destructor_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const destructor_type& get_type() const noexcept;
+        [[nodiscard]] destructor_type get_type() const noexcept;
 
         template < typename Arg >
         bool destroy(Arg&& arg) const;
@@ -213,7 +213,7 @@ namespace meta_hpp
         [[nodiscard]] const evalue_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const enum_type& get_type() const noexcept;
+        [[nodiscard]] enum_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] const uvalue& get_value() const noexcept;
@@ -244,7 +244,7 @@ namespace meta_hpp
         [[nodiscard]] const function_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const function_type& get_type() const noexcept;
+        [[nodiscard]] function_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename... Args >
@@ -281,7 +281,7 @@ namespace meta_hpp
         [[nodiscard]] const member_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const member_type& get_type() const noexcept;
+        [[nodiscard]] member_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename Instance >
@@ -330,7 +330,7 @@ namespace meta_hpp
         [[nodiscard]] const method_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const method_type& get_type() const noexcept;
+        [[nodiscard]] method_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         template < typename Instance, typename... Args >
@@ -403,7 +403,7 @@ namespace meta_hpp
         [[nodiscard]] const variable_index& get_index() const noexcept;
         [[nodiscard]] const metadata_map& get_metadata() const noexcept;
 
-        [[nodiscard]] const pointer_type& get_type() const noexcept;
+        [[nodiscard]] pointer_type get_type() const noexcept;
         [[nodiscard]] const std::string& get_name() const noexcept;
 
         [[nodiscard]] uvalue get() const;
diff --git a/headers/meta.hpp/meta_states/argument.hpp b/headers/meta.hpp/meta_states/argument.hpp
index e367c64..909af11 100644
--- a/headers/meta.hpp/meta_states/argument.hpp
+++ b/headers/meta.hpp/meta_states/argument.hpp
@@ -44,7 +44,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const any_type& argument::get_type() const noexcept {
+    inline any_type argument::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/constructor.hpp b/headers/meta.hpp/meta_states/constructor.hpp
index 99b7cb8..f26799e 100644
--- a/headers/meta.hpp/meta_states/constructor.hpp
+++ b/headers/meta.hpp/meta_states/constructor.hpp
@@ -171,7 +171,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const constructor_type& constructor::get_type() const noexcept {
+    inline constructor_type constructor::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/destructor.hpp b/headers/meta.hpp/meta_states/destructor.hpp
index b5c2737..33467f8 100644
--- a/headers/meta.hpp/meta_states/destructor.hpp
+++ b/headers/meta.hpp/meta_states/destructor.hpp
@@ -85,7 +85,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const destructor_type& destructor::get_type() const noexcept {
+    inline destructor_type destructor::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/evalue.hpp b/headers/meta.hpp/meta_states/evalue.hpp
index 663a4cb..0505f04 100644
--- a/headers/meta.hpp/meta_states/evalue.hpp
+++ b/headers/meta.hpp/meta_states/evalue.hpp
@@ -47,7 +47,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const enum_type& evalue::get_type() const noexcept {
+    inline enum_type evalue::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/function.hpp b/headers/meta.hpp/meta_states/function.hpp
index d126c38..75c3684 100644
--- a/headers/meta.hpp/meta_states/function.hpp
+++ b/headers/meta.hpp/meta_states/function.hpp
@@ -151,7 +151,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const function_type& function::get_type() const noexcept {
+    inline function_type function::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/member.hpp b/headers/meta.hpp/meta_states/member.hpp
index dbd8beb..5fe5402 100644
--- a/headers/meta.hpp/meta_states/member.hpp
+++ b/headers/meta.hpp/meta_states/member.hpp
@@ -180,7 +180,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const member_type& member::get_type() const noexcept {
+    inline member_type member::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/method.hpp b/headers/meta.hpp/meta_states/method.hpp
index ca2ef46..81fc47b 100644
--- a/headers/meta.hpp/meta_states/method.hpp
+++ b/headers/meta.hpp/meta_states/method.hpp
@@ -165,7 +165,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const method_type& method::get_type() const noexcept {
+    inline method_type method::get_type() const noexcept {
         return state_->index.get_type();
     }
 
diff --git a/headers/meta.hpp/meta_states/variable.hpp b/headers/meta.hpp/meta_states/variable.hpp
index 0b52258..22dd123 100644
--- a/headers/meta.hpp/meta_states/variable.hpp
+++ b/headers/meta.hpp/meta_states/variable.hpp
@@ -129,7 +129,7 @@ namespace meta_hpp
         return state_->metadata;
     }
 
-    inline const pointer_type& variable::get_type() const noexcept {
+    inline pointer_type variable::get_type() const noexcept {
         return state_->index.get_type();
     }