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Some work on pointers

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This commit is contained in:
Steven Le Rouzic
2024-08-15 00:58:37 +02:00
parent 75b10758ba
commit 298ee421d9
10 changed files with 226 additions and 14 deletions
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51
asl/meta.hpp
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@ -8,6 +8,11 @@ template<bool B> using bool_constant = integral_constant<bool, B>;
using true_type = bool_constant<true>;
using false_type = bool_constant<false>;
template<bool kSelect, typename U, typename V> struct _select_helper { using type = V; };
template<typename U, typename V> struct _select_helper<true, U, V> { using type = U; };
template<bool kSelect, typename U, typename V> using select_t = _select_helper<kSelect, U, V>::type;
using nullptr_t = decltype(nullptr);
template<typename T> struct un_ref { using type = T; };
@ -84,6 +89,50 @@ template<typename T> concept is_member_object_ptr = is_member_ptr<T> && !is_memb
template<typename T> concept is_fundamental = is_arithmetic<T> || is_void<T> || is_nullptr<T>;
template<typename T> concept is_compound = !is_fundamental<T>;
template<typename T> concept is_scalar = (is_fundamental<T> && !is_void<T>) || is_enum<T> || is_ptr<T> || is_member_ptr<T>;
template<typename T> concept is_object = is_scalar<T> || is_array<T> || is_class<T> || is_union<T>;
template<typename T> concept is_object = is_scalar<T> || is_class<T> || is_union<T>;
template<typename T> concept is_empty = is_void<T> || __is_empty(T);
struct empty {};
template<typename T> using devoid_t = select_t<is_void<T>, empty, T>;
template<typename F> struct _tame_helper { using type = F; };
#define ASL_TAME_IMPL(SUFFIX) \
template<typename Ret, typename... Args> \
struct _tame_helper<Ret(Args...) SUFFIX> { using type = Ret(Args...); }
ASL_TAME_IMPL();
ASL_TAME_IMPL(const);
ASL_TAME_IMPL(volatile);
ASL_TAME_IMPL(volatile const);
ASL_TAME_IMPL(&&);
ASL_TAME_IMPL(const &&);
ASL_TAME_IMPL(volatile &&);
ASL_TAME_IMPL(volatile const &&);
ASL_TAME_IMPL(&);
ASL_TAME_IMPL(const &);
ASL_TAME_IMPL(volatile &);
ASL_TAME_IMPL(volatile const &);
ASL_TAME_IMPL(noexcept);
ASL_TAME_IMPL(const noexcept);
ASL_TAME_IMPL(volatile noexcept);
ASL_TAME_IMPL(volatile const noexcept);
ASL_TAME_IMPL(&& noexcept);
ASL_TAME_IMPL(const && noexcept);
ASL_TAME_IMPL(volatile && noexcept);
ASL_TAME_IMPL(volatile const && noexcept);
ASL_TAME_IMPL(& noexcept);
ASL_TAME_IMPL(const & noexcept);
ASL_TAME_IMPL(volatile & noexcept);
ASL_TAME_IMPL(volatile const & noexcept);
#undef ASL_TAME_IMPL
template<typename T> using tame_t = _tame_helper<T>::type;
template<typename T> using as_raw_ptr_t = un_ref_t<tame_t<T>>*;
} // namespace asl