From a141c401f78467bc15f62882fca5d55a007cacbb Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Mon, 17 Feb 2025 00:21:48 +0100
Subject: Reorganize everything

---
 asl/meta.hpp | 248 -----------------------------------------------------------
 1 file changed, 248 deletions(-)
 delete mode 100644 asl/meta.hpp

(limited to 'asl/meta.hpp')

diff --git a/asl/meta.hpp b/asl/meta.hpp
deleted file mode 100644
index a464e36..0000000
--- a/asl/meta.hpp
+++ /dev/null
@@ -1,248 +0,0 @@
-#pragma once
-
-#include "asl/integers.hpp"
-
-namespace asl {
-
-struct source_location
-{
-    const char* file;
-    int         line;
-
-    explicit source_location(
-        const char* file_ = __builtin_FILE(),
-        int line_ = __builtin_LINE())
-        : file{file_}
-        , line{line_}
-    {}
-};
-
-struct empty {};
-
-template<typename T> struct id { using type = T; };
-
-template<typename... Args> static constexpr isize_t types_count = sizeof...(Args);
-
-template<typename T, T kValue> struct integral_constant { static constexpr T value = kValue; };
-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;
-
-template<typename U, typename V> struct _same_as_helper       : false_type {};
-template<typename T>             struct _same_as_helper<T, T> : true_type {};
-
-template<typename U, typename V> concept same_as = _same_as_helper<U, V>::value && _same_as_helper<V, U>::value;
-
-template<typename T> auto _as_lref_helper(int) -> id<T&>;
-template<typename T> auto _as_lref_helper(...) -> id<T>;
-
-template<typename T> auto _as_rref_helper(int) -> id<T&&>;
-template<typename T> auto _as_rref_helper(...) -> id<T>;
-
-template<typename T> using as_lref_t = decltype(_as_lref_helper<T>(0))::type;
-template<typename T> using as_rref_t = decltype(_as_rref_helper<T>(0))::type;
-
-template<typename T> consteval as_rref_t<T> declval() {}
-
-template<typename T> struct _un_ref_t      { using type = T; };
-template<typename T> struct _un_ref_t<T&>  { using type = T; };
-template<typename T> struct _un_ref_t<T&&> { using type = T; };
-
-template<typename T> using un_ref_t = _un_ref_t<T>::type;
-
-template<typename T, typename... Args> concept constructible_from = __is_constructible(T, Args...);
-
-template<typename T> concept default_constructible = constructible_from<T>;
-template<typename T> concept copy_constructible    = constructible_from<T, as_lref_t<const T>>;
-template<typename T> concept move_constructible    = constructible_from<T, as_rref_t<T>>;
-
-template<typename T, typename... Args> concept trivially_constructible_from = __is_trivially_constructible(T, Args...);
-
-template<typename T> concept trivially_default_constructible = trivially_constructible_from<T>;
-template<typename T> concept trivially_copy_constructible    = trivially_constructible_from<T, as_lref_t<const T>>;
-template<typename T> concept trivially_move_constructible    = trivially_constructible_from<T, as_rref_t<T>>;
-
-template<typename T, typename... Args> concept assignable_from = __is_assignable(T, Args...);
-
-template<typename T> concept copy_assignable = assignable_from<as_lref_t<T>, as_lref_t<const T>>;
-template<typename T> concept move_assignable = assignable_from<as_lref_t<T>, as_rref_t<T>>;
-
-template<typename T, typename... Args> concept trivially_assignable_from = __is_trivially_assignable(T, Args...);
-
-template<typename T> concept trivially_copy_assignable = trivially_assignable_from<as_lref_t<T>, as_lref_t<const T>>;
-template<typename T> concept trivially_move_assignable = trivially_assignable_from<as_lref_t<T>, as_rref_t<T>>;
-
-template<typename T> concept trivially_destructible = __is_trivially_destructible(T);
-
-template<typename T> concept copyable = copy_constructible<T> && copy_assignable<T>;
-template<typename T> concept moveable = move_constructible<T> && move_assignable<T>;
-
-template<typename To, typename From>
-concept convertible_from = __is_convertible(From, To);
-
-template<typename Derived, class Base>
-concept derived_from = __is_class(Derived) && __is_class(Base) && convertible_from<const volatile Base*, const volatile Derived*>;
-
-using nullptr_t = decltype(nullptr);
-
-template<typename T> struct _un_const_helper          { using type = T; };
-template<typename T> struct _un_const_helper<const T> { using type = T; };
-
-template<typename T> using un_const_t = _un_const_helper<T>::type;
-
-template<typename T> struct _is_const_helper          : false_type {};
-template<typename T> struct _is_const_helper<const T> : true_type {};
-
-template<typename T> concept is_const = _is_const_helper<T>::value;
-
-template<typename T> struct _un_volatile_helper             { using type = T; };
-template<typename T> struct _un_volatile_helper<volatile T> { using type = T; };
-
-template<typename T> using un_volatile_t = _un_volatile_helper<T>::type;
-
-template<typename T> using un_cv_t = un_volatile_t<un_const_t<T>>;
-
-template<typename T> using un_cvref_t = un_ref_t<un_cv_t<T>>;
-
-template<typename T> concept is_void = same_as<void, un_cv_t<T>>;
-
-template<typename T> struct _is_ref_helper      { static constexpr bool l = false; static constexpr bool r = false; };
-template<typename T> struct _is_ref_helper<T&>  { static constexpr bool l = true;  static constexpr bool r = false; };
-template<typename T> struct _is_ref_helper<T&&> { static constexpr bool l = false; static constexpr bool r = true;  };
-
-template<typename T> concept is_ref = _is_ref_helper<T>::l || _is_ref_helper<T>::r;
-template<typename T> concept is_rref = _is_ref_helper<T>::r;
-template<typename T> concept is_lref = _is_ref_helper<T>::l;
-
-template<typename T> struct _is_ptr_helper     : false_type {};
-template<typename T> struct _is_ptr_helper<T*> : true_type {};
-
-template<typename T> concept is_ptr = _is_ptr_helper<un_cv_t<T>>::value;
-
-template<typename T> struct _tame_helper { using type = T; };
-
-#define TAME_HELPER_IMPL(TRAILING)                                  \
-    template<typename R, typename... Args>                          \
-    struct _tame_helper<R(Args...) TRAILING> { using type = R(Args...); }
-
-TAME_HELPER_IMPL();
-TAME_HELPER_IMPL(&);
-TAME_HELPER_IMPL(&&);
-TAME_HELPER_IMPL(const);
-TAME_HELPER_IMPL(const &);
-TAME_HELPER_IMPL(const &&);
-TAME_HELPER_IMPL(volatile);
-TAME_HELPER_IMPL(volatile &);
-TAME_HELPER_IMPL(volatile &&);
-TAME_HELPER_IMPL(const volatile);
-TAME_HELPER_IMPL(const volatile &);
-TAME_HELPER_IMPL(const volatile &&);
-TAME_HELPER_IMPL(noexcept);
-TAME_HELPER_IMPL(& noexcept);
-TAME_HELPER_IMPL(&& noexcept);
-TAME_HELPER_IMPL(const noexcept);
-TAME_HELPER_IMPL(const & noexcept);
-TAME_HELPER_IMPL(const && noexcept);
-TAME_HELPER_IMPL(volatile noexcept);
-TAME_HELPER_IMPL(volatile & noexcept);
-TAME_HELPER_IMPL(volatile && noexcept);
-TAME_HELPER_IMPL(const volatile noexcept);
-TAME_HELPER_IMPL(const volatile & noexcept);
-TAME_HELPER_IMPL(const volatile && noexcept);
-
-#undef TAME_HELPER_IMPL
-
-template<typename T> using tame_t = _tame_helper<T>::type;
-
-template<typename T>                   struct _is_func_helper             : false_type {};
-template<typename R, typename... Args> struct _is_func_helper<R(Args...)> : true_type {};
-
-template<typename T> concept is_func = _is_func_helper<tame_t<T>>::value;
-
-template<typename T> concept is_object = !is_void<T> && !is_ref<T> && !is_func<T>;
-
-template<typename T>        struct _is_array_helper       : false_type {};
-template<typename T>        struct _is_array_helper<T[]>  : true_type  {};
-template<typename T, int N> struct _is_array_helper<T[N]> : true_type  {};
-
-template<typename T> concept is_array = _is_array_helper<T>::value;
-
-template<typename T> struct _is_floating_point_helper         : false_type {};
-template<>           struct _is_floating_point_helper<float>  : true_type  {};
-template<>           struct _is_floating_point_helper<double> : true_type  {};
-
-template<typename T> concept is_floating_point = _is_floating_point_helper<un_cv_t<T>>::value;
-
-template<typename T> struct _is_integer_helper           : false_type {};
-template<>           struct _is_integer_helper<int8_t>   : true_type  {};
-template<>           struct _is_integer_helper<int16_t>  : true_type  {};
-template<>           struct _is_integer_helper<int32_t>  : true_type  {};
-template<>           struct _is_integer_helper<int64_t>  : true_type  {};
-template<>           struct _is_integer_helper<uint8_t>  : true_type  {};
-template<>           struct _is_integer_helper<uint16_t> : true_type  {};
-template<>           struct _is_integer_helper<uint32_t> : true_type  {};
-template<>           struct _is_integer_helper<uint64_t> : true_type  {};
-
-template<typename T> concept is_integer = _is_integer_helper<un_cv_t<T>>::value;
-
-template<typename T> concept is_enum = __is_enum(T);
-
-template<typename T> struct is_uniquely_represented : false_type {};
-template<is_integer T> struct is_uniquely_represented<T> : true_type {};
-template<is_enum T> struct is_uniquely_represented<T> : true_type {};
-template<> struct is_uniquely_represented<uint128_t> : true_type {};
-template<> struct is_uniquely_represented<byte> : true_type {};
-
-template<typename T> concept uniquely_represented = is_uniquely_represented<un_cv_t<T>>::value;
-
-template<typename T, typename U>
-concept equality_comparable_with = requires (const un_cvref_t<T>& a, const un_cvref_t<U>& b)
-{
-    { a == b } -> same_as<bool>;
-    { b == a } -> same_as<bool>;
-    { a != b } -> same_as<bool>;
-    { b != a } -> same_as<bool>;
-};
-
-template<typename T> concept equality_comparable = equality_comparable_with<T, T>;
-
-struct niche_t {};
-
-template<typename T>
-concept has_niche = constructible_from<T, niche_t> && equality_comparable_with<T, niche_t>;
-
-template<typename T>
-concept is_niche = same_as<un_cvref_t<T>, niche_t>;
-
-template<typename T, typename U>
-concept _derefs_with_indirection_as = requires(T& t)
-{
-    *t;
-    requires convertible_from<U&, decltype(*t)>;
-};
-
-template<typename T, typename U>
-concept _derefs_reference_as = is_ref<T> && convertible_from<U&, T>;
-
-template<typename T, typename U>
-concept _derefs_value_as = !is_ref<T> && convertible_from<U&, T&>;
-
-template<typename U, _derefs_with_indirection_as<U> T>
-constexpr U& deref(T&& t) { return static_cast<U&>(*t); }
-
-template<typename U, _derefs_reference_as<U> T>
-constexpr U& deref(T&& t) { return static_cast<U&>(t); }
-
-template<typename U, _derefs_value_as<U> T>
-constexpr U& deref(T&& t) { return static_cast<U&>(t); }
-
-template<typename T, typename U>
-concept derefs_as = _derefs_with_indirection_as<T, U> || _derefs_reference_as<T, U> || _derefs_value_as<T, U>;
-
-} // namespace asl
-- 
cgit