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obfs, seq: Fix compile err

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revsic
2019-02-19 03:49:28 +09:00
parent b2148f4a89
commit d7f466215e
1 changed files with 19 additions and 21 deletions
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obfuscator/impl/sequence.hpp
+19 -21
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@@ -4,34 +4,29 @@
#include <type_traits>
namespace obfs {
template <typename T, T Val, T... Others>
struct Sequence {
template <typename T, T Val>
struct TypeVal {
using value_type = T;
constexpr static T value = Val;
};
struct Nothing {};
template <typename T, T Val, T... Others>
struct Sequence {
using value = TypeVal<T, Val>;
using next = Sequence<T, Others...>;
template <std::size_t Idx>
constexpr static T get() {
if constexpr (Idx == 0) {
return value;
}
else {
return next::get<Idx - 1>();
}
}
using index = std::conditional_t<Idx == 0, value, typename next::template index<Idx - 1>>;
};
template <typename T, T Val>
struct Sequence<T, Val> {
using value_type = T;
constexpr static T value = Val;
using value = TypeVal<T, Val>;
template <std::size_t Idx>
constexpr static T get() {
static_assert(Idx == 0, "Couldn't get proper value from sequence");
return value;
}
using index = std::conditional_t<Idx == 0, value, Nothing>;
};
template <typename T, typename... Ts>
@@ -39,24 +34,27 @@ namespace obfs {
using type = T;
using next = TypeSeq<Ts...>;
// template <std::size_t Idx>
// using get = std::conditional_t<Idx == 0, type, next::get<Idx - 1>>;
template <std::size_t Idx>
using index = std::conditional_t<Idx == 0, type, typename next::template index<Idx - 1>>;
};
template <typename T>
struct TypeSeq<T> {
using type = T;
// template <std::size_t Idx>
// using get = std::enable_if_t<Idx == 0, type>;
template <std::size_t Idx>
using index = std::conditional_t<Idx == 0, type, Nothing>;
};
template <typename... T>
struct SeqPack {
constexpr static std::size_t size = sizeof...(T);
template <std::size_t Idx, typename U>
using getter = typename U::template index<Idx>;
template <std::size_t Idx>
using get = TypeSeq<Sequence<typename T::value_type, T::get<Idx>>...>;
using index = TypeSeq<getter<Idx, T>...>;
};
}