41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
#pragma once
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#include <stdint.h>
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#include <new>
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#ifdef _MSC_VER
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#pragma warning(disable: 4482) // nonstandard extension used enum Name::Val, standard in C++11
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#define NO_RETURN __declspec(noreturn)
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#else
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#define NO_RETURN __attribute__((noreturn))
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#endif
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//namespace std {
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// typedef decltype(sizeof(int)) size_t;
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// typedef decltype(nullptr) nullptr_t;
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//}
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namespace fc {
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using std::size_t;
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typedef decltype(nullptr) nullptr_t;
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template<typename T> struct deduce { typedef T type; };
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template<typename T> struct deduce<T&> { typedef T type; };
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template<typename T> struct deduce<const T&> { typedef T type; };
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template<typename T> struct deduce<T&&> { typedef T type; };
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template<typename T> struct deduce<const T&&>{ typedef T type; };
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template<typename T, typename U>
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inline T&& forward( U&& u ) { return static_cast<T&&>(u); }
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struct true_type { enum _value { value = 1 }; };
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struct false_type { enum _value { value = 0 }; };
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namespace detail {
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template<typename T> fc::true_type is_class_helper(void(T::*)());
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template<typename T> fc::false_type is_class_helper(...);
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}
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template<typename T>
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struct is_class { typedef decltype(detail::is_class_helper<T>(0)) type; enum value_enum { value = type::value }; };
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}
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