Device interface library for multiple platforms including Mbed.

Dependents:   DeepCover Embedded Security in IoT MaximInterface MAXREFDES155#

Embed: (wiki syntax)

« Back to documentation index

Show/hide line numbers type_traits.hpp Source File

type_traits.hpp

00001 /*******************************************************************************
00002 * Copyright (C) Maxim Integrated Products, Inc., All Rights Reserved.
00003 *
00004 * Permission is hereby granted, free of charge, to any person obtaining a
00005 * copy of this software and associated documentation files (the "Software"),
00006 * to deal in the Software without restriction, including without limitation
00007 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00008 * and/or sell copies of the Software, and to permit persons to whom the
00009 * Software is furnished to do so, subject to the following conditions:
00010 *
00011 * The above copyright notice and this permission notice shall be included
00012 * in all copies or substantial portions of the Software.
00013 *
00014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00015 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00016 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00017 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
00018 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
00019 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
00020 * OTHER DEALINGS IN THE SOFTWARE.
00021 *
00022 * Except as contained in this notice, the name of Maxim Integrated
00023 * Products, Inc. shall not be used except as stated in the Maxim Integrated
00024 * Products, Inc. Branding Policy.
00025 *
00026 * The mere transfer of this software does not imply any licenses
00027 * of trade secrets, proprietary technology, copyrights, patents,
00028 * trademarks, maskwork rights, or any other form of intellectual
00029 * property whatsoever. Maxim Integrated Products, Inc. retains all
00030 * ownership rights.
00031 *******************************************************************************/
00032 
00033 #ifndef MaximInterfaceCore_type_traits_hpp
00034 #define MaximInterfaceCore_type_traits_hpp
00035 
00036 #include <stddef.h>
00037 
00038 namespace MaximInterfaceCore {
00039 
00040 template <typename T, T v> struct integral_constant {
00041   static const T value = v;
00042   typedef T value_type;
00043   typedef integral_constant<T, v> type;
00044   operator value_type() const { return value; }
00045   value_type operator()() const { return value; }
00046 };
00047 
00048 template <typename T, T v> const T integral_constant<T, v>::value;
00049 
00050 typedef integral_constant<bool, true> true_type;
00051 typedef integral_constant<bool, false> false_type;
00052 
00053 template <typename T, typename U> struct is_same : false_type {};
00054 template <typename T> struct is_same<T, T> : true_type {};
00055 
00056 template <bool B, typename T, typename F> struct conditional {
00057   typedef T type;
00058 };
00059 template <typename T, typename F> struct conditional<false, T, F> {
00060   typedef F type;
00061 };
00062 
00063 template <bool B, typename T = void> struct enable_if {};
00064 template <typename T> struct enable_if<true, T> { typedef T type; };
00065 
00066 namespace detail {
00067 
00068 template <typename T> struct alignment_of_helper {
00069   char a;
00070   T b;
00071 };
00072 
00073 } // namespace detail
00074 
00075 template <typename T>
00076 struct alignment_of
00077     : integral_constant<size_t,
00078                         sizeof(detail::alignment_of_helper<T>) - sizeof(T)> {};
00079 
00080 template <typename T> struct remove_const { typedef T type; };
00081 template <typename T> struct remove_const<const T> { typedef T type; };
00082 
00083 template <typename T> struct remove_volatile { typedef T type; };
00084 template <typename T> struct remove_volatile<volatile T> { typedef T type; };
00085 
00086 template <typename T> struct remove_cv {
00087   typedef typename remove_volatile<typename remove_const<T>::type>::type type;
00088 };
00089 
00090 } // namespace MaximInterfaceCore
00091 
00092 #endif