core: prepare to remove ENTT_NOEXCEPT[_IF]

src/entt/core/any.hpp

@@ -144,7 +144,7 @@ class basic_any {
         }
     }
 
-    basic_any(const basic_any &other, const policy pol) ENTT_NOEXCEPT
+    basic_any(const basic_any &other, const policy pol) noexcept
         : instance{other.data()},
           info{other.info},
           vtable{other.vtable},
@@ -157,7 +157,7 @@ public:
     static constexpr auto alignment = Align;
 
     /*! @brief Default constructor. */
-    constexpr basic_any() ENTT_NOEXCEPT
+    constexpr basic_any() noexcept
         : instance{},
           info{&type_id<void>()},
           vtable{},
@@ -201,7 +201,7 @@ public:
      * @brief Move constructor.
      * @param other The instance to move from.
      */
-    basic_any(basic_any &&other) ENTT_NOEXCEPT
+    basic_any(basic_any &&other) noexcept
         : instance{},
           info{other.info},
           vtable{other.vtable},
@@ -238,7 +238,7 @@ public:
      * @param other The instance to move from.
      * @return This any object.
      */
-    basic_any &operator=(basic_any &&other) ENTT_NOEXCEPT {
+    basic_any &operator=(basic_any &&other) noexcept {
         reset();
 
         if(other.vtable) {
@@ -268,7 +268,7 @@ public:
      * @brief Returns the object type if any, `type_id<void>()` otherwise.
      * @return The object type if any, `type_id<void>()` otherwise.
      */
-    [[nodiscard]] const type_info &type() const ENTT_NOEXCEPT {
+    [[nodiscard]] const type_info &type() const noexcept {
         return *info;
     }
 
@@ -276,7 +276,7 @@ public:
      * @brief Returns an opaque pointer to the contained instance.
      * @return An opaque pointer the contained instance, if any.
      */
-    [[nodiscard]] const void *data() const ENTT_NOEXCEPT {
+    [[nodiscard]] const void *data() const noexcept {
         return vtable ? vtable(operation::get, *this, nullptr) : nullptr;
     }
 
@@ -285,7 +285,7 @@ public:
      * @param req Expected type.
      * @return An opaque pointer the contained instance, if any.
      */
-    [[nodiscard]] const void *data(const type_info &req) const ENTT_NOEXCEPT {
+    [[nodiscard]] const void *data(const type_info &req) const noexcept {
         return *info == req ? data() : nullptr;
     }
 
@@ -293,7 +293,7 @@ public:
      * @brief Returns an opaque pointer to the contained instance.
      * @return An opaque pointer the contained instance, if any.
      */
-    [[nodiscard]] void *data() ENTT_NOEXCEPT {
+    [[nodiscard]] void *data() noexcept {
         return (!vtable || mode == policy::cref) ? nullptr : const_cast<void *>(vtable(operation::get, *this, nullptr));
     }
 
@@ -302,7 +302,7 @@ public:
      * @param req Expected type.
      * @return An opaque pointer the contained instance, if any.
      */
-    [[nodiscard]] void *data(const type_info &req) ENTT_NOEXCEPT {
+    [[nodiscard]] void *data(const type_info &req) noexcept {
         return *info == req ? data() : nullptr;
     }
 
@@ -359,7 +359,7 @@ public:
      * @brief Returns false if a wrapper is empty, true otherwise.
      * @return False if the wrapper is empty, true otherwise.
      */
-    [[nodiscard]] explicit operator bool() const ENTT_NOEXCEPT {
+    [[nodiscard]] explicit operator bool() const noexcept {
         return vtable != nullptr;
     }
 
@@ -368,7 +368,7 @@ public:
      * @param other Wrapper with which to compare.
      * @return False if the two objects differ in their content, true otherwise.
      */
-    bool operator==(const basic_any &other) const ENTT_NOEXCEPT {
+    bool operator==(const basic_any &other) const noexcept {
         if(vtable && *info == *other.info) {
             return (vtable(operation::compare, *this, other.data()) != nullptr);
         }
@@ -380,12 +380,12 @@ public:
      * @brief Aliasing constructor.
      * @return A wrapper that shares a reference to an unmanaged object.
      */
-    [[nodiscard]] basic_any as_ref() ENTT_NOEXCEPT {
+    [[nodiscard]] basic_any as_ref() noexcept {
         return basic_any{*this, (mode == policy::cref ? policy::cref : policy::ref)};
     }
 
     /*! @copydoc as_ref */
-    [[nodiscard]] basic_any as_ref() const ENTT_NOEXCEPT {
+    [[nodiscard]] basic_any as_ref() const noexcept {
         return basic_any{*this, policy::cref};
     }
 
@@ -393,7 +393,7 @@ public:
      * @brief Returns true if a wrapper owns its object, false otherwise.
      * @return True if the wrapper owns its object, false otherwise.
      */
-    [[nodiscard]] bool owner() const ENTT_NOEXCEPT {
+    [[nodiscard]] bool owner() const noexcept {
         return (mode == policy::owner);
     }
 
@@ -416,7 +416,7 @@ private:
  * @return True if the two wrappers differ in their content, false otherwise.
  */
 template<std::size_t Len, std::size_t Align>
-[[nodiscard]] inline bool operator!=(const basic_any<Len, Align> &lhs, const basic_any<Len, Align> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] inline bool operator!=(const basic_any<Len, Align> &lhs, const basic_any<Len, Align> &rhs) noexcept {
     return !(lhs == rhs);
 }
 
@@ -429,7 +429,7 @@ template<std::size_t Len, std::size_t Align>
  * @return The element converted to the requested type.
  */
 template<typename Type, std::size_t Len, std::size_t Align>
-Type any_cast(const basic_any<Len, Align> &data) ENTT_NOEXCEPT {
+Type any_cast(const basic_any<Len, Align> &data) noexcept {
     const auto *const instance = any_cast<std::remove_reference_t<Type>>(&data);
     ENTT_ASSERT(instance, "Invalid instance");
     return static_cast<Type>(*instance);
@@ -437,7 +437,7 @@ Type any_cast(const basic_any<Len, Align> &data) ENTT_NOEXCEPT {
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-Type any_cast(basic_any<Len, Align> &data) ENTT_NOEXCEPT {
+Type any_cast(basic_any<Len, Align> &data) noexcept {
     // forces const on non-reference types to make them work also with wrappers for const references
     auto *const instance = any_cast<std::remove_reference_t<const Type>>(&data);
     ENTT_ASSERT(instance, "Invalid instance");
@@ -446,7 +446,7 @@ Type any_cast(basic_any<Len, Align> &data) ENTT_NOEXCEPT {
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-Type any_cast(basic_any<Len, Align> &&data) ENTT_NOEXCEPT {
+Type any_cast(basic_any<Len, Align> &&data) noexcept {
     if constexpr(std::is_copy_constructible_v<std::remove_cv_t<std::remove_reference_t<Type>>>) {
         if(auto *const instance = any_cast<std::remove_reference_t<Type>>(&data); instance) {
             return static_cast<Type>(std::move(*instance));
@@ -462,14 +462,14 @@ Type any_cast(basic_any<Len, Align> &&data) ENTT_NOEXCEPT {
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-const Type *any_cast(const basic_any<Len, Align> *data) ENTT_NOEXCEPT {
+const Type *any_cast(const basic_any<Len, Align> *data) noexcept {
     const auto &info = type_id<std::remove_cv_t<std::remove_reference_t<Type>>>();
     return static_cast<const Type *>(data->data(info));
 }
 
 /*! @copydoc any_cast */
 template<typename Type, std::size_t Len, std::size_t Align>
-Type *any_cast(basic_any<Len, Align> *data) ENTT_NOEXCEPT {
+Type *any_cast(basic_any<Len, Align> *data) noexcept {
     const auto &info = type_id<std::remove_cv_t<std::remove_reference_t<Type>>>();
     // last attempt to make wrappers for const references return their values
     return static_cast<Type *>(static_cast<constness_as_t<basic_any<Len, Align>, Type> *>(data)->data(info));

src/entt/core/compressed_pair.hpp

@@ -5,7 +5,6 @@
 #include <tuple>
 #include <type_traits>
 #include <utility>
-#include "../config/config.h"
 #include "type_traits.hpp"
 
 namespace entt {
@@ -34,11 +33,11 @@ struct compressed_pair_element {
     constexpr compressed_pair_element(std::tuple<Args...> args, std::index_sequence<Index...>)
         : value{std::forward<Args>(std::get<Index>(args))...} {}
 
-    [[nodiscard]] constexpr reference get() ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr reference get() noexcept {
         return value;
     }
 
-    [[nodiscard]] constexpr const_reference get() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr const_reference get() const noexcept {
         return value;
     }
 
@@ -64,11 +63,11 @@ struct compressed_pair_element<Type, Tag, std::enable_if_t<is_ebco_eligible_v<Ty
     constexpr compressed_pair_element(std::tuple<Args...> args, std::index_sequence<Index...>)
         : base_type{std::forward<Args>(std::get<Index>(args))...} {}
 
-    [[nodiscard]] constexpr reference get() ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr reference get() noexcept {
         return *this;
     }
 
-    [[nodiscard]] constexpr const_reference get() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr const_reference get() const noexcept {
         return *this;
     }
 };
@@ -169,12 +168,12 @@ public:
      * @brief Returns the first element that a pair stores.
      * @return The first element that a pair stores.
      */
-    [[nodiscard]] constexpr first_type &first() ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr first_type &first() noexcept {
         return static_cast<first_base &>(*this).get();
     }
 
     /*! @copydoc first */
-    [[nodiscard]] constexpr const first_type &first() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr const first_type &first() const noexcept {
         return static_cast<const first_base &>(*this).get();
     }
 
@@ -182,12 +181,12 @@ public:
      * @brief Returns the second element that a pair stores.
      * @return The second element that a pair stores.
      */
-    [[nodiscard]] constexpr second_type &second() ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr second_type &second() noexcept {
         return static_cast<second_base &>(*this).get();
     }
 
     /*! @copydoc second */
-    [[nodiscard]] constexpr const second_type &second() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr const second_type &second() const noexcept {
         return static_cast<const second_base &>(*this).get();
     }
 
@@ -208,7 +207,7 @@ public:
      * reference to the second element if `Index` is 1.
      */
     template<std::size_t Index>
-    constexpr decltype(auto) get() ENTT_NOEXCEPT {
+    constexpr decltype(auto) get() noexcept {
         if constexpr(Index == 0u) {
             return first();
         } else {
@@ -219,7 +218,7 @@ public:
 
     /*! @copydoc get */
     template<std::size_t Index>
-    constexpr decltype(auto) get() const ENTT_NOEXCEPT {
+    constexpr decltype(auto) get() const noexcept {
         if constexpr(Index == 0u) {
             return first();
         } else {

src/entt/core/enum.hpp

@@ -2,7 +2,6 @@
 #define ENTT_CORE_ENUM_HPP
 
 #include <type_traits>
-#include "../config/config.h"
 
 namespace entt {
 
@@ -36,21 +35,21 @@ inline constexpr bool enum_as_bitmask_v = enum_as_bitmask<Type>::value;
  */
 template<typename Type>
 [[nodiscard]] constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type>
-operator|(const Type lhs, const Type rhs) ENTT_NOEXCEPT {
+operator|(const Type lhs, const Type rhs) noexcept {
     return static_cast<Type>(static_cast<std::underlying_type_t<Type>>(lhs) | static_cast<std::underlying_type_t<Type>>(rhs));
 }
 
 /*! @copydoc operator| */
 template<typename Type>
 [[nodiscard]] constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type>
-operator&(const Type lhs, const Type rhs) ENTT_NOEXCEPT {
+operator&(const Type lhs, const Type rhs) noexcept {
     return static_cast<Type>(static_cast<std::underlying_type_t<Type>>(lhs) & static_cast<std::underlying_type_t<Type>>(rhs));
 }
 
 /*! @copydoc operator| */
 template<typename Type>
 [[nodiscard]] constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type>
-operator^(const Type lhs, const Type rhs) ENTT_NOEXCEPT {
+operator^(const Type lhs, const Type rhs) noexcept {
     return static_cast<Type>(static_cast<std::underlying_type_t<Type>>(lhs) ^ static_cast<std::underlying_type_t<Type>>(rhs));
 }
 
@@ -63,35 +62,35 @@ operator^(const Type lhs, const Type rhs) ENTT_NOEXCEPT {
  */
 template<typename Type>
 [[nodiscard]] constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type>
-operator~(const Type value) ENTT_NOEXCEPT {
+operator~(const Type value) noexcept {
     return static_cast<Type>(~static_cast<std::underlying_type_t<Type>>(value));
 }
 
 /*! @copydoc operator~ */
 template<typename Type>
 [[nodiscard]] constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, bool>
-operator!(const Type value) ENTT_NOEXCEPT {
+operator!(const Type value) noexcept {
     return !static_cast<std::underlying_type_t<Type>>(value);
 }
 
 /*! @copydoc operator| */
 template<typename Type>
 constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &>
-operator|=(Type &lhs, const Type rhs) ENTT_NOEXCEPT {
+operator|=(Type &lhs, const Type rhs) noexcept {
     return (lhs = (lhs | rhs));
 }
 
 /*! @copydoc operator| */
 template<typename Type>
 constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &>
-operator&=(Type &lhs, const Type rhs) ENTT_NOEXCEPT {
+operator&=(Type &lhs, const Type rhs) noexcept {
     return (lhs = (lhs & rhs));
 }
 
 /*! @copydoc operator| */
 template<typename Type>
 constexpr std::enable_if_t<entt::enum_as_bitmask_v<Type>, Type &>
-operator^=(Type &lhs, const Type rhs) ENTT_NOEXCEPT {
+operator^=(Type &lhs, const Type rhs) noexcept {
     return (lhs = (lhs ^ rhs));
 }
 

src/entt/core/hashed_string.hpp

@@ -3,7 +3,6 @@
 
 #include <cstddef>
 #include <cstdint>
-#include "../config/config.h"
 #include "fwd.hpp"
 
 namespace entt {
@@ -72,12 +71,13 @@ class basic_hashed_string: internal::basic_hashed_string<Char> {
 
     struct const_wrapper {
         // non-explicit constructor on purpose
-        constexpr const_wrapper(const Char *str) ENTT_NOEXCEPT: repr{str} {}
+        constexpr const_wrapper(const Char *str) noexcept
+            : repr{str} {}
         const Char *repr;
     };
 
     // Fowler–Noll–Vo hash function v. 1a - the good
-    [[nodiscard]] static constexpr auto helper(const Char *str) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr auto helper(const Char *str) noexcept {
         base_type base{str, 0u, hs_traits::offset};
 
         for(; str[base.length]; ++base.length) {
@@ -88,7 +88,7 @@ class basic_hashed_string: internal::basic_hashed_string<Char> {
     }
 
     // Fowler–Noll–Vo hash function v. 1a - the good
-    [[nodiscard]] static constexpr auto helper(const Char *str, const std::size_t len) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr auto helper(const Char *str, const std::size_t len) noexcept {
         base_type base{str, len, hs_traits::offset};
 
         for(size_type pos{}; pos < len; ++pos) {
@@ -112,7 +112,7 @@ public:
      * @param len Length of the string to hash.
      * @return The numeric representation of the string.
      */
-    [[nodiscard]] static constexpr hash_type value(const value_type *str, const size_type len) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr hash_type value(const value_type *str, const size_type len) noexcept {
         return basic_hashed_string{str, len};
     }
 
@@ -123,7 +123,7 @@ public:
      * @return The numeric representation of the string.
      */
     template<std::size_t N>
-    [[nodiscard]] static constexpr hash_type value(const value_type (&str)[N]) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr hash_type value(const value_type (&str)[N]) noexcept {
         return basic_hashed_string{str};
     }
 
@@ -132,12 +132,12 @@ public:
      * @param wrapper Helps achieving the purpose by relying on overloading.
      * @return The numeric representation of the string.
      */
-    [[nodiscard]] static constexpr hash_type value(const_wrapper wrapper) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr hash_type value(const_wrapper wrapper) noexcept {
         return basic_hashed_string{wrapper};
     }
 
     /*! @brief Constructs an empty hashed string. */
-    constexpr basic_hashed_string() ENTT_NOEXCEPT
+    constexpr basic_hashed_string() noexcept
         : base_type{} {}
 
     /**
@@ -145,7 +145,7 @@ public:
      * @param str Human-readable identifier.
      * @param len Length of the string to hash.
      */
-    constexpr basic_hashed_string(const value_type *str, const size_type len) ENTT_NOEXCEPT
+    constexpr basic_hashed_string(const value_type *str, const size_type len) noexcept
         : base_type{helper(str, len)} {}
 
     /**
@@ -154,7 +154,7 @@ public:
      * @param str Human-readable identifier.
      */
     template<std::size_t N>
-    constexpr basic_hashed_string(const value_type (&str)[N]) ENTT_NOEXCEPT
+    constexpr basic_hashed_string(const value_type (&str)[N]) noexcept
         : base_type{helper(str)} {}
 
     /**
@@ -166,14 +166,14 @@ public:
      *
      * @param wrapper Helps achieving the purpose by relying on overloading.
      */
-    explicit constexpr basic_hashed_string(const_wrapper wrapper) ENTT_NOEXCEPT
+    explicit constexpr basic_hashed_string(const_wrapper wrapper) noexcept
         : base_type{helper(wrapper.repr)} {}
 
     /**
      * @brief Returns the size a hashed string.
      * @return The size of the hashed string.
      */
-    [[nodiscard]] constexpr size_type size() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr size_type size() const noexcept {
         return base_type::length;
     }
 
@@ -181,7 +181,7 @@ public:
      * @brief Returns the human-readable representation of a hashed string.
      * @return The string used to initialize the hashed string.
      */
-    [[nodiscard]] constexpr const value_type *data() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr const value_type *data() const noexcept {
         return base_type::repr;
     }
 
@@ -189,12 +189,12 @@ public:
      * @brief Returns the numeric representation of a hashed string.
      * @return The numeric representation of the hashed string.
      */
-    [[nodiscard]] constexpr hash_type value() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr hash_type value() const noexcept {
         return base_type::hash;
     }
 
     /*! @copydoc data */
-    [[nodiscard]] constexpr operator const value_type *() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr operator const value_type *() const noexcept {
         return data();
     }
 
@@ -202,7 +202,7 @@ public:
      * @brief Returns the numeric representation of a hashed string.
      * @return The numeric representation of the hashed string.
      */
-    [[nodiscard]] constexpr operator hash_type() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr operator hash_type() const noexcept {
         return value();
     }
 };
@@ -233,7 +233,7 @@ basic_hashed_string(const Char (&str)[N]) -> basic_hashed_string<Char>;
  * @return True if the two hashed strings are identical, false otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator==(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator==(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return lhs.value() == rhs.value();
 }
 
@@ -245,7 +245,7 @@ template<typename Char>
  * @return True if the two hashed strings differ, false otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator!=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator!=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return !(lhs == rhs);
 }
 
@@ -257,7 +257,7 @@ template<typename Char>
  * @return True if the first element is less than the second, false otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator<(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator<(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return lhs.value() < rhs.value();
 }
 
@@ -270,7 +270,7 @@ template<typename Char>
  * otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator<=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator<=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return !(rhs < lhs);
 }
 
@@ -283,7 +283,7 @@ template<typename Char>
  * otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator>(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator>(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return rhs < lhs;
 }
 
@@ -296,7 +296,7 @@ template<typename Char>
  * false otherwise.
  */
 template<typename Char>
-[[nodiscard]] constexpr bool operator>=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator>=(const basic_hashed_string<Char> &lhs, const basic_hashed_string<Char> &rhs) noexcept {
     return !(lhs < rhs);
 }
 
@@ -313,7 +313,7 @@ inline namespace literals {
  * @param str The literal without its suffix.
  * @return A properly initialized hashed string.
  */
-[[nodiscard]] constexpr hashed_string operator"" _hs(const char *str, std::size_t) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr hashed_string operator"" _hs(const char *str, std::size_t) noexcept {
     return hashed_string{str};
 }
 
@@ -322,7 +322,7 @@ inline namespace literals {
  * @param str The literal without its suffix.
  * @return A properly initialized hashed wstring.
  */
-[[nodiscard]] constexpr hashed_wstring operator"" _hws(const wchar_t *str, std::size_t) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr hashed_wstring operator"" _hws(const wchar_t *str, std::size_t) noexcept {
     return hashed_wstring{str};
 }
 

src/entt/core/ident.hpp

@@ -4,7 +4,6 @@
 #include <cstddef>
 #include <type_traits>
 #include <utility>
-#include "../config/config.h"
 #include "fwd.hpp"
 #include "type_traits.hpp"
 
@@ -17,7 +16,7 @@ namespace entt {
 template<typename... Type>
 class ident {
     template<typename Curr, std::size_t... Index>
-    [[nodiscard]] static constexpr id_type get(std::index_sequence<Index...>) ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr id_type get(std::index_sequence<Index...>) noexcept {
         static_assert((std::is_same_v<Curr, Type> || ...), "Invalid type");
         return (0 + ... + (std::is_same_v<Curr, type_list_element_t<Index, type_list<std::decay_t<Type>...>>> ? id_type{Index} : id_type{}));
     }

src/entt/core/iterator.hpp

@@ -4,7 +4,6 @@
 #include <iterator>
 #include <memory>
 #include <utility>
-#include "../config/config.h"
 
 namespace entt {
 
@@ -46,7 +45,7 @@ struct input_iterator_pointer final {
      * @brief Access operator for accessing wrapped values.
      * @return A pointer to the wrapped value.
      */
-    [[nodiscard]] constexpr pointer operator->() ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr pointer operator->() noexcept {
         return std::addressof(value);
     }
 
@@ -86,7 +85,7 @@ struct iterable_adaptor final {
      * @brief Returns an iterator to the beginning.
      * @return An iterator to the first element of the range.
      */
-    [[nodiscard]] constexpr iterator begin() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr iterator begin() const noexcept {
         return first;
     }
 
@@ -95,17 +94,17 @@ struct iterable_adaptor final {
      * @return An iterator to the element following the last element of the
      * range.
      */
-    [[nodiscard]] constexpr sentinel end() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr sentinel end() const noexcept {
         return last;
     }
 
     /*! @copydoc begin */
-    [[nodiscard]] constexpr iterator cbegin() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr iterator cbegin() const noexcept {
         return begin();
     }
 
     /*! @copydoc end */
-    [[nodiscard]] constexpr sentinel cend() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr sentinel cend() const noexcept {
         return end();
     }
 

src/entt/core/memory.hpp

@@ -18,7 +18,7 @@ namespace entt {
  * @return A raw pointer that represents the address of the original pointer.
  */
 template<typename Type>
-[[nodiscard]] constexpr auto to_address(Type &&ptr) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr auto to_address(Type &&ptr) noexcept {
     if constexpr(std::is_pointer_v<std::remove_cv_t<std::remove_reference_t<Type>>>) {
         return ptr;
     } else {
@@ -33,7 +33,7 @@ template<typename Type>
  * @param rhs Another valid allocator.
  */
 template<typename Allocator>
-constexpr void propagate_on_container_copy_assignment([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) ENTT_NOEXCEPT {
+constexpr void propagate_on_container_copy_assignment([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) noexcept {
     if constexpr(std::allocator_traits<Allocator>::propagate_on_container_copy_assignment::value) {
         lhs = rhs;
     }
@@ -46,7 +46,7 @@ constexpr void propagate_on_container_copy_assignment([[maybe_unused]] Allocator
  * @param rhs Another valid allocator.
  */
 template<typename Allocator>
-constexpr void propagate_on_container_move_assignment([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) ENTT_NOEXCEPT {
+constexpr void propagate_on_container_move_assignment([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) noexcept {
     if constexpr(std::allocator_traits<Allocator>::propagate_on_container_move_assignment::value) {
         lhs = std::move(rhs);
     }
@@ -59,7 +59,7 @@ constexpr void propagate_on_container_move_assignment([[maybe_unused]] Allocator
  * @param rhs Another valid allocator.
  */
 template<typename Allocator>
-constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) ENTT_NOEXCEPT {
+constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[maybe_unused]] Allocator &rhs) noexcept {
     ENTT_ASSERT(std::allocator_traits<Allocator>::propagate_on_container_swap::value || lhs == rhs, "Cannot swap the containers");
 
     if constexpr(std::allocator_traits<Allocator>::propagate_on_container_swap::value) {
@@ -73,7 +73,7 @@ constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[ma
  * @param value A value that may or may not be a power of two.
  * @return True if the value is a power of two, false otherwise.
  */
-[[nodiscard]] inline constexpr bool is_power_of_two(const std::size_t value) ENTT_NOEXCEPT {
+[[nodiscard]] inline constexpr bool is_power_of_two(const std::size_t value) noexcept {
     return value && ((value & (value - 1)) == 0);
 }
 
@@ -82,7 +82,7 @@ constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[ma
  * @param value The value to use.
  * @return The smallest power of two greater than or equal to the given value.
  */
-[[nodiscard]] inline constexpr std::size_t next_power_of_two(const std::size_t value) ENTT_NOEXCEPT {
+[[nodiscard]] inline constexpr std::size_t next_power_of_two(const std::size_t value) noexcept {
     ENTT_ASSERT(value < (std::size_t{1u} << (std::numeric_limits<std::size_t>::digits - 1)), "Numeric limits exceeded");
     std::size_t curr = value - (value != 0u);
 
@@ -99,7 +99,7 @@ constexpr void propagate_on_container_swap([[maybe_unused]] Allocator &lhs, [[ma
  * @param mod _Modulus_, it must be a power of two.
  * @return The common remainder.
  */
-[[nodiscard]] inline constexpr std::size_t fast_mod(const std::size_t value, const std::size_t mod) ENTT_NOEXCEPT {
+[[nodiscard]] inline constexpr std::size_t fast_mod(const std::size_t value, const std::size_t mod) noexcept {
     ENTT_ASSERT(is_power_of_two(mod), "Value must be a power of two");
     return value & (mod - 1u);
 }
@@ -173,7 +173,7 @@ namespace internal {
 template<typename Type>
 struct uses_allocator_construction {
     template<typename Allocator, typename... Params>
-    static constexpr auto args([[maybe_unused]] const Allocator &allocator, Params &&...params) ENTT_NOEXCEPT {
+    static constexpr auto args([[maybe_unused]] const Allocator &allocator, Params &&...params) noexcept {
         if constexpr(!std::uses_allocator_v<Type, Allocator> && std::is_constructible_v<Type, Params...>) {
             return std::forward_as_tuple(std::forward<Params>(params)...);
         } else {
@@ -194,7 +194,7 @@ struct uses_allocator_construction<std::pair<Type, Other>> {
     using type = std::pair<Type, Other>;
 
     template<typename Allocator, typename First, typename Second>
-    static constexpr auto args(const Allocator &allocator, std::piecewise_construct_t, First &&first, Second &&second) ENTT_NOEXCEPT {
+    static constexpr auto args(const Allocator &allocator, std::piecewise_construct_t, First &&first, Second &&second) noexcept {
         return std::make_tuple(
             std::piecewise_construct,
             std::apply([&allocator](auto &&...curr) { return uses_allocator_construction<Type>::args(allocator, std::forward<decltype(curr)>(curr)...); }, std::forward<First>(first)),
@@ -202,22 +202,22 @@ struct uses_allocator_construction<std::pair<Type, Other>> {
     }
 
     template<typename Allocator>
-    static constexpr auto args(const Allocator &allocator) ENTT_NOEXCEPT {
+    static constexpr auto args(const Allocator &allocator) noexcept {
         return uses_allocator_construction<type>::args(allocator, std::piecewise_construct, std::tuple<>{}, std::tuple<>{});
     }
 
     template<typename Allocator, typename First, typename Second>
-    static constexpr auto args(const Allocator &allocator, First &&first, Second &&second) ENTT_NOEXCEPT {
+    static constexpr auto args(const Allocator &allocator, First &&first, Second &&second) noexcept {
         return uses_allocator_construction<type>::args(allocator, std::piecewise_construct, std::forward_as_tuple(std::forward<First>(first)), std::forward_as_tuple(std::forward<Second>(second)));
     }
 
     template<typename Allocator, typename First, typename Second>
-    static constexpr auto args(const Allocator &allocator, const std::pair<First, Second> &value) ENTT_NOEXCEPT {
+    static constexpr auto args(const Allocator &allocator, const std::pair<First, Second> &value) noexcept {
         return uses_allocator_construction<type>::args(allocator, std::piecewise_construct, std::forward_as_tuple(value.first), std::forward_as_tuple(value.second));
     }
 
     template<typename Allocator, typename First, typename Second>
-    static constexpr auto args(const Allocator &allocator, std::pair<First, Second> &&value) ENTT_NOEXCEPT {
+    static constexpr auto args(const Allocator &allocator, std::pair<First, Second> &&value) noexcept {
         return uses_allocator_construction<type>::args(allocator, std::piecewise_construct, std::forward_as_tuple(std::move(value.first)), std::forward_as_tuple(std::move(value.second)));
     }
 };
@@ -243,7 +243,7 @@ struct uses_allocator_construction<std::pair<Type, Other>> {
  * @return The arguments needed to create an object of the given type.
  */
 template<typename Type, typename Allocator, typename... Args>
-constexpr auto uses_allocator_construction_args(const Allocator &allocator, Args &&...args) ENTT_NOEXCEPT {
+constexpr auto uses_allocator_construction_args(const Allocator &allocator, Args &&...args) noexcept {
     return internal::uses_allocator_construction<Type>::args(allocator, std::forward<Args>(args)...);
 }
 

src/entt/core/monostate.hpp

@@ -25,7 +25,7 @@ struct monostate {
      * @param val User data to assign to the given key.
      */
     template<typename Type>
-    void operator=(Type val) const ENTT_NOEXCEPT {
+    void operator=(Type val) const noexcept {
         value<Type> = val;
     }
 
@@ -35,7 +35,7 @@ struct monostate {
      * @return Stored value, if any.
      */
     template<typename Type>
-    operator Type() const ENTT_NOEXCEPT {
+    operator Type() const noexcept {
         return value<Type>;
     }
 

src/entt/core/tuple.hpp

@@ -4,7 +4,6 @@
 #include <tuple>
 #include <type_traits>
 #include <utility>
-#include "../config/config.h"
 
 namespace entt {
 
@@ -16,7 +15,7 @@ namespace entt {
  * element otherwise.
  */
 template<typename Type>
-constexpr decltype(auto) unwrap_tuple(Type &&value) ENTT_NOEXCEPT {
+constexpr decltype(auto) unwrap_tuple(Type &&value) noexcept {
     if constexpr(std::tuple_size_v<std::remove_reference_t<Type>> == 1u) {
         return std::get<0>(std::forward<Type>(value));
     } else {
@@ -36,7 +35,7 @@ struct forward_apply: private Func {
      * @param args Parameters to use to construct the instance.
      */
     template<class... Args>
-    constexpr forward_apply(Args &&...args) ENTT_NOEXCEPT_IF((std::is_nothrow_constructible_v<Func, Args...>))
+    constexpr forward_apply(Args &&...args) noexcept(std::is_nothrow_constructible_v<Func, Args...>)
         : Func{std::forward<Args>(args)...} {}
 
     /**
@@ -46,13 +45,13 @@ struct forward_apply: private Func {
      * @return Return value of the underlying function, if any.
      */
     template<class Type>
-    constexpr decltype(auto) operator()(Type &&args) ENTT_NOEXCEPT_IF(noexcept(std::apply(std::declval<Func &>(), args))) {
+    constexpr decltype(auto) operator()(Type &&args) noexcept(noexcept(std::apply(std::declval<Func &>(), args))) {
         return std::apply(static_cast<Func &>(*this), std::forward<Type>(args));
     }
 
     /*! @copydoc operator()() */
     template<class Type>
-    constexpr decltype(auto) operator()(Type &&args) const ENTT_NOEXCEPT_IF(noexcept(std::apply(std::declval<const Func &>(), args))) {
+    constexpr decltype(auto) operator()(Type &&args) const noexcept(noexcept(std::apply(std::declval<const Func &>(), args))) {
         return std::apply(static_cast<const Func &>(*this), std::forward<Type>(args));
     }
 };

src/entt/core/type_info.hpp

@@ -19,14 +19,14 @@ namespace entt {
 namespace internal {
 
 struct ENTT_API type_index final {
-    [[nodiscard]] static id_type next() ENTT_NOEXCEPT {
+    [[nodiscard]] static id_type next() noexcept {
         static ENTT_MAYBE_ATOMIC(id_type) value{};
         return value++;
     }
 };
 
 template<typename Type>
-[[nodiscard]] constexpr auto stripped_type_name() ENTT_NOEXCEPT {
+[[nodiscard]] constexpr auto stripped_type_name() noexcept {
 #if defined ENTT_PRETTY_FUNCTION
     std::string_view pretty_function{ENTT_PRETTY_FUNCTION};
     auto first = pretty_function.find_first_not_of(' ', pretty_function.find_first_of(ENTT_PRETTY_FUNCTION_PREFIX) + 1);
@@ -38,26 +38,26 @@ template<typename Type>
 }
 
 template<typename Type, auto = stripped_type_name<Type>().find_first_of('.')>
-[[nodiscard]] static constexpr std::string_view type_name(int) ENTT_NOEXCEPT {
+[[nodiscard]] static constexpr std::string_view type_name(int) noexcept {
     constexpr auto value = stripped_type_name<Type>();
     return value;
 }
 
 template<typename Type>
-[[nodiscard]] static std::string_view type_name(char) ENTT_NOEXCEPT {
+[[nodiscard]] static std::string_view type_name(char) noexcept {
     static const auto value = stripped_type_name<Type>();
     return value;
 }
 
 template<typename Type, auto = stripped_type_name<Type>().find_first_of('.')>
-[[nodiscard]] static constexpr id_type type_hash(int) ENTT_NOEXCEPT {
+[[nodiscard]] static constexpr id_type type_hash(int) noexcept {
     constexpr auto stripped = stripped_type_name<Type>();
     constexpr auto value = hashed_string::value(stripped.data(), stripped.size());
     return value;
 }
 
 template<typename Type>
-[[nodiscard]] static id_type type_hash(char) ENTT_NOEXCEPT {
+[[nodiscard]] static id_type type_hash(char) noexcept {
     static const auto value = [](const auto stripped) {
         return hashed_string::value(stripped.data(), stripped.size());
     }(stripped_type_name<Type>());
@@ -81,13 +81,13 @@ struct ENTT_API type_index final {
      * @brief Returns the sequential identifier of a given type.
      * @return The sequential identifier of a given type.
      */
-    [[nodiscard]] static id_type value() ENTT_NOEXCEPT {
+    [[nodiscard]] static id_type value() noexcept {
         static const id_type value = internal::type_index::next();
         return value;
     }
 
     /*! @copydoc value */
-    [[nodiscard]] constexpr operator id_type() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr operator id_type() const noexcept {
         return value();
     }
 };
@@ -103,16 +103,16 @@ struct type_hash final {
      * @return The numeric representation of the given type.
      */
 #if defined ENTT_PRETTY_FUNCTION
-    [[nodiscard]] static constexpr id_type value() ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr id_type value() noexcept {
         return internal::type_hash<Type>(0);
 #else
-    [[nodiscard]] static constexpr id_type value() ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr id_type value() noexcept {
         return type_index<Type>::value();
 #endif
     }
 
     /*! @copydoc value */
-    [[nodiscard]] constexpr operator id_type() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr operator id_type() const noexcept {
         return value();
     }
 };
@@ -127,12 +127,12 @@ struct type_name final {
      * @brief Returns the name of a given type.
      * @return The name of the given type.
      */
-    [[nodiscard]] static constexpr std::string_view value() ENTT_NOEXCEPT {
+    [[nodiscard]] static constexpr std::string_view value() noexcept {
         return internal::type_name<Type>(0);
     }
 
     /*! @copydoc value */
-    [[nodiscard]] constexpr operator std::string_view() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr operator std::string_view() const noexcept {
         return value();
     }
 };
@@ -144,7 +144,7 @@ struct type_info final {
      * @tparam Type Type for which to construct a type info object.
      */
     template<typename Type>
-    constexpr type_info(std::in_place_type_t<Type>) ENTT_NOEXCEPT
+    constexpr type_info(std::in_place_type_t<Type>) noexcept
         : seq{type_index<std::remove_cv_t<std::remove_reference_t<Type>>>::value()},
           identifier{type_hash<std::remove_cv_t<std::remove_reference_t<Type>>>::value()},
           alias{type_name<std::remove_cv_t<std::remove_reference_t<Type>>>::value()} {}
@@ -153,7 +153,7 @@ struct type_info final {
      * @brief Type index.
      * @return Type index.
      */
-    [[nodiscard]] constexpr id_type index() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr id_type index() const noexcept {
         return seq;
     }
 
@@ -161,7 +161,7 @@ struct type_info final {
      * @brief Type hash.
      * @return Type hash.
      */
-    [[nodiscard]] constexpr id_type hash() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr id_type hash() const noexcept {
         return identifier;
     }
 
@@ -169,7 +169,7 @@ struct type_info final {
      * @brief Type name.
      * @return Type name.
      */
-    [[nodiscard]] constexpr std::string_view name() const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr std::string_view name() const noexcept {
         return alias;
     }
 
@@ -185,7 +185,7 @@ private:
  * @param rhs A type info object.
  * @return True if the two type info objects are identical, false otherwise.
  */
-[[nodiscard]] inline constexpr bool operator==(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] inline constexpr bool operator==(const type_info &lhs, const type_info &rhs) noexcept {
     return lhs.hash() == rhs.hash();
 }
 
@@ -195,7 +195,7 @@ private:
  * @param rhs A type info object.
  * @return True if the two type info objects differ, false otherwise.
  */
-[[nodiscard]] inline constexpr bool operator!=(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] inline constexpr bool operator!=(const type_info &lhs, const type_info &rhs) noexcept {
     return !(lhs == rhs);
 }
 
@@ -205,7 +205,7 @@ private:
  * @param rhs A valid type info object.
  * @return True if the first element is less than the second, false otherwise.
  */
-[[nodiscard]] constexpr bool operator<(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator<(const type_info &lhs, const type_info &rhs) noexcept {
     return lhs.index() < rhs.index();
 }
 
@@ -216,7 +216,7 @@ private:
  * @return True if the first element is less than or equal to the second, false
  * otherwise.
  */
-[[nodiscard]] constexpr bool operator<=(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator<=(const type_info &lhs, const type_info &rhs) noexcept {
     return !(rhs < lhs);
 }
 
@@ -227,7 +227,7 @@ private:
  * @return True if the first element is greater than the second, false
  * otherwise.
  */
-[[nodiscard]] constexpr bool operator>(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator>(const type_info &lhs, const type_info &rhs) noexcept {
     return rhs < lhs;
 }
 
@@ -238,7 +238,7 @@ private:
  * @return True if the first element is greater than or equal to the second,
  * false otherwise.
  */
-[[nodiscard]] constexpr bool operator>=(const type_info &lhs, const type_info &rhs) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr bool operator>=(const type_info &lhs, const type_info &rhs) noexcept {
     return !(lhs < rhs);
 }
 
@@ -254,7 +254,7 @@ private:
  * @return A reference to a properly initialized type info object.
  */
 template<typename Type>
-[[nodiscard]] const type_info &type_id() ENTT_NOEXCEPT {
+[[nodiscard]] const type_info &type_id() noexcept {
     if constexpr(std::is_same_v<Type, std::remove_cv_t<std::remove_reference_t<Type>>>) {
         static type_info instance{std::in_place_type<Type>};
         return instance;
@@ -265,7 +265,7 @@ template<typename Type>
 
 /*! @copydoc type_id */
 template<typename Type>
-[[nodiscard]] const type_info &type_id(Type &&) ENTT_NOEXCEPT {
+[[nodiscard]] const type_info &type_id(Type &&) noexcept {
     return type_id<std::remove_cv_t<std::remove_reference_t<Type>>>();
 }
 

src/entt/core/utility.hpp

@@ -2,7 +2,6 @@
 #define ENTT_CORE_UTILITY_HPP
 
 #include <utility>
-#include "../config/config.h"
 
 namespace entt {
 
@@ -18,7 +17,7 @@ struct identity {
      * @return The submitted value as-is.
      */
     template<class Type>
-    [[nodiscard]] constexpr Type &&operator()(Type &&value) const ENTT_NOEXCEPT {
+    [[nodiscard]] constexpr Type &&operator()(Type &&value) const noexcept {
         return std::forward<Type>(value);
     }
 };
@@ -31,7 +30,7 @@ struct identity {
  * @return Pointer to the member.
  */
 template<typename Type, typename Class>
-[[nodiscard]] constexpr auto overload(Type Class::*member) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr auto overload(Type Class::*member) noexcept {
     return member;
 }
 
@@ -42,7 +41,7 @@ template<typename Type, typename Class>
  * @return Pointer to the function.
  */
 template<typename Func>
-[[nodiscard]] constexpr auto overload(Func *func) ENTT_NOEXCEPT {
+[[nodiscard]] constexpr auto overload(Func *func) noexcept {
     return func;
 }