Commit 079cabf6 authored by Tomáš Jakubec's avatar Tomáš Jakubec
Browse files

enable_if -> void_t

parent 3e13bb79

src/GTMesh/Traits/CustomTypeTraits.h

+14 −46
Original line number Diff line number Diff line
@@ -6,7 +6,8 @@ 


namespace Impl {





template<typename ...>

using void_t = void;



template <typename T1, typename T2 = void>

struct __is_exportable : public std::false_type {
@@ -14,13 +15,8 @@ struct __is_exportable : public std::false_type { 
};



template <typename T1>

struct __is_exportable<T1, typename std::enable_if<std::is_class<

        typename std::remove_reference<decltype(std::cerr << std::declval<const T1&>())>::type

        >::value>::type> : public std::true_type {};









struct __is_exportable< T1,

                        void_t<decltype(std::cerr << std::declval<const T1&>())> > : public std::true_type {};
@@ -28,46 +24,24 @@ template <typename T1, typename T2 = void> 
struct __is_iterable : public std::false_type {};



template <typename T1>

struct __is_iterable<T1, typename std::enable_if<

            !std::is_same<

                decltype (std::declval<const T1&>().begin()),

                void

            >::value &&

            !std::is_same<

                decltype (std::declval<const T1&>().end()),

                void

            >::value

        >::type> : public std::true_type {};

struct __is_iterable< T1,

                      void_t<decltype(std::declval<const T1&>().begin()), decltype (std::declval<const T1&>().end())> > : public std::true_type {};





template <typename T1, typename T2 = void>

struct __is_indexable : public std::false_type {};



template <typename T1>

struct __is_indexable<T1, typename std::enable_if<

            !std::is_same<

                decltype (std::declval<const T1&>()[0]),

                void

            >::value &&

            !std::is_same<

                decltype (std::declval<const T1&>().size()),

                void

            >::value

    >::type> : public std::true_type {};

struct __is_indexable< T1,

                       void_t<decltype (std::declval<const T1&>()[0]), decltype (std::declval<const T1&>().size())> > : public std::true_type {};





template <typename T1, typename T2 = void>

struct __is_tnl_indexable : public std::false_type {};



template <typename T1>

struct __is_tnl_indexable<T1, typename std::enable_if<

            !std::is_same<

                decltype (std::declval<const T1&>()[0]), void

            >::value &&

            !std::is_same<

                decltype (std::declval<const T1&>().getSize()), void

            >::value

    >::type> : public std::true_type {};

struct __is_tnl_indexable< T1,

                           void_t<decltype (std::declval<const T1&>()[0]), decltype (std::declval<const T1&>().getSize())> > : public std::true_type {};





template <typename T1, typename VOID = void>
@@ -77,23 +51,19 @@ struct __has_default_traits : public std::false_type {}; 
template <typename T1>

struct __has_default_traits<

        T1,

        typename std::enable_if<

            noexcept(DefaultTraits<T1>::getTraits)

        >::type

        void_t<decltype(DefaultTraits<T1>::getTraits)>

        > : public std::true_type {};







template <typename T1, typename VOID = void>

template <typename T1, typename = void>

struct __has_default_io_traits : public std::false_type {};





template <typename T1>

struct __has_default_io_traits<

        T1,

        typename std::enable_if<

            noexcept(DefaultIOTraits<T1>::getTraits)

        >::type

        void_t<decltype(DefaultIOTraits<T1>::getTraits)>

        > : public std::true_type {};
@@ -105,9 +75,7 @@ struct __has_default_arithmetic_traits : public std::false_type {}; 
template <typename T1>

struct __has_default_arithmetic_traits<

        T1,

        typename std::enable_if<

            noexcept(DefaultArithmeticTraits<T1>::getTraits)

        >::type

        void_t<decltype(DefaultArithmeticTraits<T1>::getTraits)>

        > : public std::true_type {};



} // Impl namespace