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Reduce C++ wizardry

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This commit is contained in:
topjohnwu
2022-03-01 02:13:18 -08:00
committed by John Wu
parent 7999b66c3c
commit be7586137c
11 changed files with 100 additions and 146 deletions
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31
native/jni/utils/misc.hpp
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@@ -5,8 +5,6 @@
#include <functional>
#include <string_view>
#include <bitset>
#include <compare>
#include "xwrap.hpp"
#define UID_ROOT 0
#define UID_SHELL 2000
@@ -199,32 +197,3 @@ void exec_command_async(Args &&...args) {
};
exec_command(exec);
}
template <class _Tp, bool = std::is_enum_v<_Tp> >
struct __is_scoped_enum_helper : std::false_type {};
template <class _Tp>
struct __is_scoped_enum_helper<_Tp, true>
: public std::bool_constant<!std::is_convertible_v<_Tp, std::underlying_type_t<_Tp> > > {};
template <class _Tp>
struct is_scoped_enum
: public __is_scoped_enum_helper<_Tp> {};
template <class _Tp>
inline constexpr bool is_scoped_enum_v = is_scoped_enum<_Tp>::value;
template<typename Enum> requires( is_scoped_enum_v<Enum> )
constexpr inline auto operator <=> (std::underlying_type_t<Enum> a, Enum b) {
return a <=> static_cast<std::underlying_type_t<Enum>>(b);
}
template<typename Enum> requires( is_scoped_enum_v<Enum> )
constexpr inline auto operator != (std::underlying_type_t<Enum> a, Enum b) {
return a != static_cast<std::underlying_type_t<Enum>>(b);
}
template<typename Enum> requires( is_scoped_enum_v<Enum> )
constexpr inline auto operator == (std::underlying_type_t<Enum> a, Enum b) {
return a == static_cast<std::underlying_type_t<Enum>>(b);
}