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dense_map: operator==/operator<=>

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skypjack
2026-01-09 15:58:09 +01:00
parent 40109e9ae4
commit 3cae3fbb2b
1 changed files with 17 additions and 41 deletions
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58
src/entt/container/dense_map.hpp
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@@ -129,49 +129,25 @@ public:
return operator[](0);
}
template<typename Lhs, typename Rhs>
friend constexpr std::ptrdiff_t operator-(const dense_map_iterator<Lhs> &, const dense_map_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const dense_map_iterator<Other> &other) const noexcept {
return it - other.it;
}
template<typename Lhs, typename Rhs>
friend constexpr bool operator==(const dense_map_iterator<Lhs> &, const dense_map_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr bool operator==(const dense_map_iterator<Other> &other) const noexcept {
return it == other.it;
}
template<typename Lhs, typename Rhs>
friend constexpr bool operator<(const dense_map_iterator<Lhs> &, const dense_map_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr auto operator<=>(const dense_map_iterator<Other> &other) const noexcept {
return it <=> other.it;
}
private:
It it;
};
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return lhs.it - rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator==(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return lhs.it == rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator<(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return lhs.it < rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator>(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return rhs < lhs;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator<=(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return !(lhs > rhs);
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator>=(const dense_map_iterator<Lhs> &lhs, const dense_map_iterator<Rhs> &rhs) noexcept {
return !(lhs < rhs);
}
template<typename It>
class dense_map_local_iterator final {
template<typename>
@@ -217,6 +193,11 @@ public:
return {it[idx].element.first, it[idx].element.second};
}
template<typename Other>
[[nodiscard]] constexpr bool operator==(const dense_map_local_iterator<Other> &other) const noexcept {
return offset == other.offset;
}
[[nodiscard]] constexpr std::size_t index() const noexcept {
return offset;
}
@@ -226,11 +207,6 @@ private:
std::size_t offset{dense_map_placeholder_position};
};
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator==(const dense_map_local_iterator<Lhs> &lhs, const dense_map_local_iterator<Rhs> &rhs) noexcept {
return lhs.index() == rhs.index();
}
} // namespace internal
/*! @endcond */