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Fixed compile issues for MSVC 2013.

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This commit is contained in:
Neil MacIntosh 2015-11-03 18:56:55 -08:00
parent 41517ff316
commit e9a9602b4f
1 changed files with 21 additions and 3 deletions
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24
include/array_view.h
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@ -43,6 +43,10 @@
// VS 2013 workarounds
#if _MSC_VER <= 1800
#pragma push_macro("GSL_MSVC_HAS_VARIADIC_CTOR_BUG")
#define GSL_MSVC_HAS_VARIADIC_CTOR_BUG
// noexcept is not understood
#ifndef GSL_THROWS_FOR_TESTING
#define noexcept /* nothing */
@ -106,9 +110,19 @@ public:
std::copy(values, values + Rank, elems);
}
template<typename... Ts, bool Enabled1 = (sizeof...(Ts) == Rank), bool Enabled2 = details::are_integral<Ts...>::value, typename Dummy = std::enable_if_t<Enabled1 && Enabled2, bool>>
constexpr index(Ts... ds) noexcept : elems{ static_cast<value_type>(ds)... }
{}
#ifdef GSL_MSVC_HAS_VARIADIC_CTOR_BUG
template<typename T, typename... Ts,
typename = std::enable_if_t<((sizeof...(Ts) + 1) == Rank) &&
std::is_integral<T>::value &&
details::are_integral<Ts...>::value>>
constexpr index(T t, Ts... ds) : index({ static_cast<value_type>(t), static_cast<value_type>(ds)... })
{}
#else
template<typename... Ts,
typename = std::enable_if_t<(sizeof...(Ts) == Rank) && details::are_integral<Ts...>::value>>
constexpr index(Ts... ds) noexcept : elems{ static_cast<value_type>(ds)... }
{}
#endif
constexpr index(const index& other) noexcept = default;
@ -1957,6 +1971,10 @@ general_array_view_iterator<ArrayView> operator+(typename general_array_view_ite
#pragma undef noexcept
#endif // GSL_THROWS_FOR_TESTING
#undef GSL_MSVC_HAS_VARIADIC_CTOR_BUG
#pragma pop_macro("GSL_MSVC_HAS_VARIADIC_CTOR_BUG")
#endif // _MSC_VER <= 1800
#endif // _MSC_VER