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table: operator==/operator<=>

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skypjack
2026-01-13 15:31:39 +01:00
parent 5b5821ecc1
commit 4df87a007d
1 changed files with 12 additions and 36 deletions
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48
src/entt/container/table.hpp
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@@ -85,49 +85,25 @@ public:
return operator[](0);
}
template<typename... Lhs, typename... Rhs>
friend constexpr std::ptrdiff_t operator-(const table_iterator<Lhs...> &, const table_iterator<Rhs...> &) noexcept;
template<typename... Other>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const table_iterator<Other...> &other) const noexcept {
return std::get<0>(it) - std::get<0>(other.it);
}
template<typename... Lhs, typename... Rhs>
friend constexpr bool operator==(const table_iterator<Lhs...> &, const table_iterator<Rhs...> &) noexcept;
template<typename... Other>
[[nodiscard]] constexpr bool operator==(const table_iterator<Other...> &other) const noexcept {
return std::get<0>(it) == std::get<0>(other.it);
}
template<typename... Lhs, typename... Rhs>
friend constexpr bool operator<(const table_iterator<Lhs...> &, const table_iterator<Rhs...> &) noexcept;
template<typename... Other>
[[nodiscard]] constexpr auto operator<=>(const table_iterator<Other...> &other) const noexcept {
return std::get<0>(it) <=> std::get<0>(other.it);
}
private:
std::tuple<It...> it;
};
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return std::get<0>(lhs.it) - std::get<0>(rhs.it);
}
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr bool operator==(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return std::get<0>(lhs.it) == std::get<0>(rhs.it);
}
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr bool operator<(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return std::get<0>(lhs.it) < std::get<0>(rhs.it);
}
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr bool operator>(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return rhs < lhs;
}
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr bool operator<=(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return !(lhs > rhs);
}
template<typename... Lhs, typename... Rhs>
[[nodiscard]] constexpr bool operator>=(const table_iterator<Lhs...> &lhs, const table_iterator<Rhs...> &rhs) noexcept {
return !(lhs < rhs);
}
} // namespace internal
/*! @endcond */