Scarfski/entt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

registry_storage_iterator: operator==/operator<=>

Browse Source
This commit is contained in:
skypjack
2026-01-13 15:32:13 +01:00
parent 5a3faa7256
commit dc6366d6d1
1 changed files with 13 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
src/entt/entity/registry.hpp
View File

@@ -3,6 +3,7 @@
#include <algorithm>
#include <array>
#include <compare>
#include <cstddef>
#include <functional>
#include <iterator>
@@ -107,49 +108,25 @@ public:
return operator*();
}
template<typename Lhs, typename Rhs>
friend constexpr std::ptrdiff_t operator-(const registry_storage_iterator<Lhs> &, const registry_storage_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const registry_storage_iterator<Other> &other) const noexcept {
return it - other.it;
}
template<typename Lhs, typename Rhs>
friend constexpr bool operator==(const registry_storage_iterator<Lhs> &, const registry_storage_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr bool operator==(const registry_storage_iterator<Other> &other) const noexcept {
return it == other.it;
}
template<typename Lhs, typename Rhs>
friend constexpr bool operator<(const registry_storage_iterator<Lhs> &, const registry_storage_iterator<Rhs> &) noexcept;
template<typename Other>
[[nodiscard]] constexpr auto operator<=>(const registry_storage_iterator<Other> &other) const noexcept {
return it <=> other.it;
}
private:
It it;
};
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr std::ptrdiff_t operator-(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return lhs.it - rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator==(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return lhs.it == rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator<(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return lhs.it < rhs.it;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator>(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return rhs < lhs;
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator<=(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return !(lhs > rhs);
}
template<typename Lhs, typename Rhs>
[[nodiscard]] constexpr bool operator>=(const registry_storage_iterator<Lhs> &lhs, const registry_storage_iterator<Rhs> &rhs) noexcept {
return !(lhs < rhs);
}
template<typename Allocator>
class registry_context {
using alloc_traits = std::allocator_traits<Allocator>;