types.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include <type_traits>
 
namespace aui {

   template<typename T, class = void>
   inline constexpr bool is_complete = false;

   template<typename T>
   inline constexpr bool is_complete<T, decltype(void(sizeof(T)))> = true;
 
 
 
   namespace impl {
       template<typename... Args>
       struct select_overload {
           template<typename R, typename C>
           constexpr auto operator()(R(C::*ptr)(Args...)) const noexcept -> decltype(ptr) {
               return ptr;
           }
       };
   }
   template<typename... Args>
   constexpr impl::select_overload<Args...> select_overload = {};
}

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