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Avoid non-namespace template specialization

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This commit is contained in:
Chris Robinson
2020-03-24 12:03:07 -07:00
parent cc27bbb680
commit c24d127229
1 changed files with 11 additions and 7 deletions
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common/albyte.h
+11 -7
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@@ -57,18 +57,22 @@ inline constexpr al::byte operator~(al::byte b) noexcept
{ return al::byte(~to_integer<unsigned int>(b)); }
namespace detail_ {
template<size_t> struct Elem { };
template<> struct Elem<1> { using type = uint8_t; };
template<> struct Elem<2> { using type = uint16_t; };
template<> struct Elem<3> { using type = uint32_t; };
template<> struct Elem<4> { using type = uint32_t; };
template<size_t N> using ElemT = typename Elem<N>::type;
} // namespace detail_
template<size_t N>
class bitfield {
template<size_t> struct ElemT { };
template<> struct ElemT<1> { using type = uint8_t; };
template<> struct ElemT<2> { using type = uint16_t; };
template<> struct ElemT<3> { using type = uint32_t; };
template<> struct ElemT<4> { using type = uint32_t; };
static constexpr size_t bits_per_byte{std::numeric_limits<unsigned char>::digits};
static constexpr size_t NumElems{(N+bits_per_byte-1) / bits_per_byte};
typename ElemT<NumElems>::type vals{};
typename detail_::ElemT<NumElems> vals{};
public:
template<size_t b>