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Implemented integral type checking

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BlackMark 2019-08-03 16:10:19 +02:00
parent 53b791cb05
commit ecdefe40e7
1 changed files with 30 additions and 8 deletions
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38
utils.hpp
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@ -10,15 +10,37 @@
namespace uart {
namespace util {
template <typename...>
struct always_false {
static constexpr auto value = false;
};
template <typename... Ts>
static constexpr auto always_false_v = always_false<Ts...>::value;
// clang-format off
template <bool Val> struct set_bool { static constexpr auto value = Val; };
struct true_type : set_bool<true> {};
struct false_type : set_bool<false> {};
template <typename...> struct always_false : false_type {};
template <typename... Ts> static constexpr auto always_false_v = always_false<Ts...>::value;
template <typename T> struct is_integral : false_type {};
template <> struct is_integral<bool> : true_type {};
template <> struct is_integral<char> : true_type {};
template <> struct is_integral<signed char> : true_type {};
template <> struct is_integral<unsigned char> : true_type {};
template <> struct is_integral<short> : true_type {};
template <> struct is_integral<int> : true_type {};
template <> struct is_integral<long int> : true_type {};
template <> struct is_integral<long long int> : true_type {};
template <> struct is_integral<unsigned short> : true_type {};
template <> struct is_integral<unsigned int> : true_type {};
template <> struct is_integral<unsigned long int> : true_type {};
template <> struct is_integral<unsigned long long int> : true_type {};
template <typename T> static constexpr auto is_integral_v = is_integral<T>::value;
template <typename T, typename U> struct is_same : false_type {};
template <typename T> struct is_same<T, T> : true_type {};
template <typename T, typename U> static constexpr auto is_same_v = is_same<T, U>::value;
template <typename T>
struct NumericLimits {
static constexpr T min() { return T(); }