diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e9f4823
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,6 @@
+[submodule "vendors/enum.hpp"]
+	path = vendors/enum.hpp
+	url = https://github.com/BlackMATov/enum.hpp
+[submodule "vendors/kari.hpp"]
+	path = vendors/kari.hpp
+	url = https://github.com/BlackMATov/kari.hpp
diff --git a/CMakeLists.txt b/CMakeLists.txt
index da1b980..ed72031 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,9 +7,19 @@ endif()
 
 project(meta.hpp)
 
+add_subdirectory(vendors/enum.hpp)
+add_subdirectory(vendors/kari.hpp)
+
 add_library(${PROJECT_NAME} INTERFACE)
-target_compile_features(${PROJECT_NAME} INTERFACE cxx_std_17)
-target_include_directories(${PROJECT_NAME} INTERFACE headers)
+
+target_link_libraries(${PROJECT_NAME}
+    INTERFACE enum.hpp kari.hpp)
+
+target_compile_features(${PROJECT_NAME}
+    INTERFACE cxx_std_17)
+
+target_include_directories(${PROJECT_NAME}
+    INTERFACE headers)
 
 if(BUILD_AS_STANDALONE)
     option(BUILD_WITH_UNTESTS "Build with unit tests" ON)
diff --git a/headers/meta.hpp/meta_fwd.hpp b/headers/meta.hpp/meta_fwd.hpp
index 26e9973..8276d6a 100644
--- a/headers/meta.hpp/meta_fwd.hpp
+++ b/headers/meta.hpp/meta_fwd.hpp
@@ -27,6 +27,11 @@
 #include <variant>
 #include <vector>
 
+#include <enum.hpp/enum.hpp>
+#include <enum.hpp/enum_bitflags.hpp>
+
+#include <kari.hpp/kari.hpp>
+
 namespace meta_hpp
 {
     class class_info;
diff --git a/headers/meta.hpp/meta_registry.hpp b/headers/meta.hpp/meta_registry.hpp
index dafe434..0175acf 100644
--- a/headers/meta.hpp/meta_registry.hpp
+++ b/headers/meta.hpp/meta_registry.hpp
@@ -10,6 +10,7 @@
 #include "meta_infos.hpp"
 
 #include "meta_registry/class_.hpp"
+#include "meta_registry/ctor_.hpp"
 #include "meta_registry/data_.hpp"
 #include "meta_registry/enum_.hpp"
 #include "meta_registry/evalue_.hpp"
@@ -164,7 +165,7 @@ namespace meta_hpp
 
     inline void registry::add_info_(const std::string& prefix, const class_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(classes_, name, info, &class_info::merge);
     }
 
@@ -175,43 +176,43 @@ namespace meta_hpp
 
     inline void registry::add_info_(const std::string& prefix, const data_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(datas_, name, info, &data_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const enum_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(enums_, name, info, &enum_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const evalue_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(evalues_, name, info, &evalue_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const function_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(functions_, name, info, &function_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const member_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(members_, name, info, &member_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const method_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(methods_, name, info, &method_info::merge);
     }
 
     inline void registry::add_info_(const std::string& prefix, const namespace_info& info) {
         std::string name = prefix.empty() ? info.name() : prefix + "::" + info.name();
-        info.visit(curry(add_info_f{}, std::ref(*this), name));
+        info.visit(kari_hpp::curry(add_info_f{}, std::ref(*this), name));
         detail::merge_with(namespaces_, name, info, &namespace_info::merge);
     }
 }
diff --git a/headers/meta.hpp/meta_utilities.hpp b/headers/meta.hpp/meta_utilities.hpp
index 3ceab77..be54873 100644
--- a/headers/meta.hpp/meta_utilities.hpp
+++ b/headers/meta.hpp/meta_utilities.hpp
@@ -8,5 +8,5 @@
 
 #include "meta_fwd.hpp"
 
-#include "meta_utilities/curry.hpp"
+#include "meta_utilities/arg.hpp"
 #include "meta_utilities/value.hpp"
diff --git a/headers/meta.hpp/meta_utilities/curry.hpp b/headers/meta.hpp/meta_utilities/curry.hpp
deleted file mode 100644
index bcf3780..0000000
--- a/headers/meta.hpp/meta_utilities/curry.hpp
+++ /dev/null
@@ -1,104 +0,0 @@
-/*******************************************************************************
- * This file is part of the "https://github.com/blackmatov/meta.hpp"
- * For conditions of distribution and use, see copyright notice in LICENSE.md
- * Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
- ******************************************************************************/
-
-#pragma once
-
-#include "../meta_fwd.hpp"
-
-namespace meta_hpp
-{
-    template < typename F, typename... As >
-    class curry_t;
-
-    namespace impl
-    {
-        template < typename F >
-        struct is_curried_impl
-        : std::false_type {};
-
-        template < typename F, typename... As >
-        struct is_curried_impl<curry_t<F, As...>>
-        : std::true_type {};
-    }
-
-    template < typename F >
-    struct is_curried
-    : impl::is_curried_impl<std::remove_cv_t<F>> {};
-
-    template < typename F >
-    inline constexpr bool is_curried_v = is_curried<F>::value;
-}
-
-namespace meta_hpp::detail
-{
-    template < typename F, typename... Args >
-    constexpr auto curry_or_apply(F&& f, std::tuple<Args...>&& args) {
-        if constexpr ( std::is_invocable_v<std::decay_t<F>, Args...> ) {
-            return std::apply(std::forward<F>(f), std::move(args));
-        } else {
-            return curry_t(std::forward<F>(f), std::move(args));
-        }
-    }
-}
-
-namespace meta_hpp
-{
-    template < typename F, typename... Args >
-    class curry_t final {
-    public:
-        constexpr curry_t(F f)
-        : f_(std::move(f)) {}
-
-        constexpr curry_t(F f, std::tuple<Args...> args)
-        : f_(std::move(f))
-        , args_(std::move(args)) {}
-
-        constexpr auto operator()() && {
-            return detail::curry_or_apply(
-                std::move(f_),
-                std::move(args_));
-        }
-
-        template < typename A >
-        constexpr auto operator()(A&& a) && {
-            return detail::curry_or_apply(
-                std::move(f_),
-                std::tuple_cat(
-                    std::move(args_),
-                    std::make_tuple(std::forward<A>(a))));
-        }
-
-        template < typename A, typename... As >
-        constexpr auto operator()(A&& a, As&&... as) && {
-            return std::move(*this)(std::forward<A>(a))(std::forward<As>(as)...);
-        }
-
-        template < typename... As >
-        constexpr auto operator()(As&&... as) const & {
-            return std::move(curry_t(*this))(std::forward<As>(as)...);
-        }
-    private:
-        F f_;
-        std::tuple<Args...> args_;
-    };
-}
-
-namespace meta_hpp
-{
-    template < typename F >
-    constexpr auto curry(F&& f) {
-        if constexpr ( is_curried_v<std::decay_t<F>> ) {
-            return std::forward<F>(f);
-        } else {
-            return detail::curry_or_apply(std::forward<F>(f), {});
-        }
-    }
-
-    template < typename F, typename A, typename... As >
-    constexpr auto curry(F&& f, A&& a, As&&... as) {
-        return curry(std::forward<F>(f))(std::forward<A>(a), std::forward<As>(as)...);
-    }
-}
diff --git a/untests/CMakeLists.txt b/untests/CMakeLists.txt
index 524f30f..8e18fd3 100644
--- a/untests/CMakeLists.txt
+++ b/untests/CMakeLists.txt
@@ -29,9 +29,9 @@ target_compile_options(${PROJECT_NAME}
         -Werror -Wall -Wextra -Wpedantic>
     PRIVATE
     $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>>:
-        -Werror -Weverything -Wno-unknown-warning-option
-        -Wconversion -Wimplicit-int-float-conversion
-        -Wno-c++98-compat-pedantic -Wno-ctad-maybe-unsupported -Wno-padded
-        -Wno-float-equal -Wno-double-promotion -Wno-shadow-field-in-constructor>)
+        -Werror -Weverything -Wconversion -Wno-unknown-warning-option
+        -Wno-padded
+        -Wno-c++98-compat-pedantic
+        -Wno-shadow-field-in-constructor>)
 
 add_test(${PROJECT_NAME} ${PROJECT_NAME})
diff --git a/vendors/enum.hpp b/vendors/enum.hpp
new file mode 160000
index 0000000..0a549d3
--- /dev/null
+++ b/vendors/enum.hpp
@@ -0,0 +1 @@
+Subproject commit 0a549d3341e8f6d9efd8e6cea343f2d3ab4e7633
diff --git a/vendors/kari.hpp b/vendors/kari.hpp
new file mode 160000
index 0000000..c52226f
--- /dev/null
+++ b/vendors/kari.hpp
@@ -0,0 +1 @@
+Subproject commit c52226f8556a0a439389514143f336fe4979b480