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Removed use of is_const_v and is_convertible_v in span so things work on older compilers

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This commit is contained in:
Jeroen Akershoek 2017-12-06 00:32:38 +02:00
parent cdd9ee5a6a
commit 2f19b410ff
1 changed files with 3 additions and 3 deletions
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6
include/gsl/span
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@ -361,7 +361,7 @@ public:
template <std::size_t N, class ArrayElementType = std::remove_const_t<element_type>,
class = std::enable_if_t<
( extent == dynamic_extent || N == extent ) &&
std::is_convertible_v<std::add_pointer_t<ArrayElementType>, pointer>
std::is_convertible<std::add_pointer_t<ArrayElementType>, pointer>::value
>>
constexpr span( std::array<ArrayElementType, N>& arr )
: storage_(&arr[0], details::extent_type<N>())
@ -371,8 +371,8 @@ public:
template <std::size_t N,
class = std::enable_if_t<
( extent == dynamic_extent || N == extent ) &&
std::is_const_v<element_type> &&
std::is_convertible_v<std::add_pointer_t<element_type>, pointer>
std::is_const<element_type>::value &&
std::is_convertible<std::add_pointer_t<element_type>, pointer>::value
>>
constexpr span(const std::array<std::remove_const_t<element_type>, N>& arr) GSL_NOEXCEPT
: storage_(&arr[0], details::extent_type<N>())