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type_info: operator==/operator<=>

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skypjack
2026-01-12 12:59:02 +01:00
parent f119bff9d5
commit df10c0fcdc
1 changed files with 19 additions and 53 deletions
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72
src/entt/core/type_info.hpp
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@@ -1,6 +1,7 @@
#ifndef ENTT_CORE_TYPE_INFO_HPP
#define ENTT_CORE_TYPE_INFO_HPP
#include <compare>
#include <string_view>
#include <type_traits>
#include <utility>
@@ -175,65 +176,30 @@ struct type_info final {
return alias;
}
/**
* @brief Compares two type info objects.
* @param other A type info object.
* @return True if the two type info objects are identical, false otherwise.
*/
[[nodiscard]] constexpr bool operator==(const type_info &other) const noexcept {
return identifier == other.identifier;
}
/**
* @brief Lexicographically compares two type info objects.
* @param other A type info object.
* @return The relative order between the two type info objects.
*/
[[nodiscard]] constexpr auto operator<=>(const type_info &other) const noexcept {
return seq <=> other.seq;
}
private:
id_type seq;
id_type identifier;
std::string_view alias;
};
/**
* @brief Compares the contents of two type info objects.
* @param lhs A type info object.
* @param rhs A type info object.
* @return True if the two type info objects are identical, false otherwise.
*/
[[nodiscard]] constexpr bool operator==(const type_info &lhs, const type_info &rhs) noexcept {
return lhs.hash() == rhs.hash();
}
/**
* @brief Compares two type info objects.
* @param lhs A valid type info object.
* @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) noexcept {
return lhs.index() < rhs.index();
}
/**
* @brief Compares two type info objects.
* @param lhs A valid type info object.
* @param rhs A valid type info object.
* @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) noexcept {
return !(rhs < lhs);
}
/**
* @brief Compares two type info objects.
* @param lhs A valid type info object.
* @param rhs A valid type info object.
* @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) noexcept {
return rhs < lhs;
}
/**
* @brief Compares two type info objects.
* @param lhs A valid type info object.
* @param rhs A valid type info object.
* @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) noexcept {
return !(lhs < rhs);
}
/**
* @brief Returns the type info object associated to a given type.
*