54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
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#pragma once
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#include <type_traits>
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#include <utility>
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namespace nall {
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using std::add_const;
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using std::decay;
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using std::declval;
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using std::false_type;
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using std::forward;
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using std::initializer_list;
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using std::is_array;
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using std::is_base_of;
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using std::is_function;
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using std::is_integral;
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using std::is_same;
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using std::move;
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using std::nullptr_t;
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using std::remove_extent;
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using std::remove_reference;
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using std::swap;
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using std::true_type;
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}
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namespace nall {
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template<bool C> struct expression { static constexpr bool value = C; };
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}
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namespace nall {
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namespace traits {
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enum class enable_type {};
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enum class disable_type {};
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template<bool C, typename T = void> struct enable_if { using type = T; };
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template<typename T> struct enable_if<false, T> {};
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template<bool C, typename T = void> struct disable_if { using type = T; };
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template<typename T> struct disable_if<true, T> {};
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}
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template<typename C, typename T = void> using enable_if = typename traits::enable_if<C::value, T>::type;
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template<typename C, typename T = void> using disable_if = typename traits::disable_if<C::value, T>::type;
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}
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namespace nall {
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namespace traits {
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template<bool C, typename T, typename F> struct type_if { using type = T; };
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template<typename T, typename F> struct type_if<false, T, F> { using type = F; };
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}
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template<typename C, typename T, typename F> using type_if = typename traits::type_if<C::value, T, F>::type;
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}
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