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1 | 1 | #ifndef CPP_UTILS_H |
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2 | 2 | #define CPP_UTILS_H |
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3 | 3 | |
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4 | 4 | #include <type_traits> |
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5 | 5 | |
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6 | 6 | template< class... > |
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7 | 7 | using void_t = void; |
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8 | 8 | |
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9 | 9 | #define HAS_METHOD(method)\ |
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10 | 10 | template <class T, class=void>\ |
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11 | 11 | struct _has_##method : std::false_type{};\ |
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12 | 12 | \ |
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13 | 13 | template <class T>\ |
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14 | 14 | struct _has_##method<T, void_t<std::is_member_function_pointer<decltype(&T::method)>>>\ |
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15 | 15 | : std::true_type{};\ |
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16 | 16 | \ |
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17 | 17 | template< class T>\ |
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18 | 18 | static inline constexpr bool has_##method = _has_##method<T>::value; |
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19 | 19 | |
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20 | //taken from here https://www.fluentcpp.com/2017/10/27/function-aliases-cpp/ | |
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21 | #define ALIAS_TEMPLATE_FUNCTION(highLevelF, lowLevelF) \ | |
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22 | template <typename... Args> \ | |
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23 | inline auto highLevelF(Args &&... args)->decltype(lowLevelF(std::forward<Args>(args)...)) \ | |
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24 | { \ | |
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25 | return lowLevelF(std::forward<Args>(args)...); \ | |
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26 | } | |
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27 | ||
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20 | 28 | |
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21 | 29 | #endif // CPP_UTILS_H |
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