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refactor(bit): change some concept constraints

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DarkSharpness
2024-07-11 21:52:53 +08:00
parent 5574542bfe
commit 7ebe48fe09
3 changed files with 19 additions and 17 deletions
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12
include/concept.h
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@ -7,6 +7,14 @@ namespace dark {
using max_size_t = std::uint32_t;
using max_ssize_t = std::int32_t;
static constexpr std::size_t kMaxLength = std::numeric_limits<max_size_t>::digits;
template <std::size_t _Len>
consteval max_size_t make_mask() {
static_assert(_Len <= kMaxLength, "Mask length out of range");
return _Len == kMaxLength ? ~max_size_t(0) : (max_size_t(1) << _Len) - 1;
}
} // namespace dark
namespace dark::concepts {
@ -38,4 +46,8 @@ concept bit_match =
(bit_type <_Lhs> && bit_type <_Rhs> && _Lhs::_Bit_Len == _Rhs::_Bit_Len)
|| (int_type <_Lhs> || int_type <_Rhs>);
template <typename _Tp, std::size_t _Len>
concept bit_convertible =
(bit_type <_Tp> && _Tp::_Bit_Len == _Len) || int_type <_Tp>;
} // namespace dark::concepts