Extract slotkey from slotmap

This commit is contained in:
2026-07-30 23:17:28 +02:00
parent 5283e238fb
commit 33944d0b7d
3 changed files with 124 additions and 121 deletions
@@ -40,7 +40,7 @@ static_assert(std::is_trivially_copyable_v<MyComplexStruct>,
class SlotMapAdaptor class SlotMapAdaptor
{ {
public: public:
using Key = SlotMap<MyComplexStruct>::SlotKey; using Key = SlotMap<MyComplexStruct>::InternalSlotKey;
Key Add(MyComplexStruct&& p_value) Key Add(MyComplexStruct&& p_value)
{ {
@@ -15,77 +15,77 @@
namespace Bigfoot namespace Bigfoot
{ {
template<class VERSION_TYPE = std::uint32_t,
template<class TYPE,
class VERSION_TYPE = std::uint32_t,
class INDEX_TYPE = std::uint32_t, class INDEX_TYPE = std::uint32_t,
std::enable_if_t<std::is_unsigned_v<VERSION_TYPE> && std::is_unsigned_v<INDEX_TYPE>, bool> = true> std::enable_if_t<std::is_unsigned_v<VERSION_TYPE> && std::is_unsigned_v<INDEX_TYPE>, bool> = true>
class SlotMapKey
{
public:
using IndexType = INDEX_TYPE;
using VersionType = VERSION_TYPE;
private:
static constexpr std::uint32_t VERSION_BIT_COUNT = sizeof(VersionType) * std::numeric_limits<unsigned char>::digits;
static constexpr std::uint32_t INDEX_BIT_COUNT = sizeof(IndexType) * std::numeric_limits<unsigned char>::digits;
static_assert(VERSION_BIT_COUNT + INDEX_BIT_COUNT <= 64,
"We cant construct a 64 bit key from the given Version and Index types!");
static constexpr std::uint64_t INDEX_MASK = (static_cast<std::uint64_t>(1) << INDEX_BIT_COUNT) - 1;
public:
static constexpr VersionType INVALID_VERSION = 0;
static constexpr IndexType MAX_INDEX = std::numeric_limits<IndexType>::max();
constexpr SlotMapKey(const VersionType p_version, const IndexType p_index):
m_key((static_cast<std::uint64_t>(p_version) << INDEX_BIT_COUNT) |
(static_cast<std::uint64_t>(p_index) & INDEX_MASK))
{
}
constexpr SlotMapKey():
SlotMapKey(INVALID_VERSION, 0)
{
}
constexpr SlotMapKey(const SlotMapKey& p_slotKey) = default;
constexpr SlotMapKey(SlotMapKey&& p_slotKey) = default;
constexpr ~SlotMapKey() = default;
constexpr bool Valid() const
{
return GetVersion() != INVALID_VERSION;
}
constexpr VersionType GetVersion() const
{
return static_cast<VersionType>(m_key >> INDEX_BIT_COUNT);
}
constexpr IndexType GetIndex() const
{
return static_cast<IndexType>(m_key & INDEX_MASK);
}
constexpr SlotMapKey& operator=(const SlotMapKey& p_slotKey) = default;
constexpr SlotMapKey& operator=(SlotMapKey&& p_slotKey) = default;
[[nodiscard]]
constexpr bool operator==(const SlotMapKey& p_other) const = default;
private:
std::uint64_t m_key;
};
template<class TYPE, class VERSION_TYPE = std::uint32_t, class INDEX_TYPE = std::uint32_t>
class SlotMap class SlotMap
{ {
public: public:
class SlotKey using InternalSlotKey = SlotMapKey<VERSION_TYPE, INDEX_TYPE>;
{
public:
using IndexType = INDEX_TYPE;
using VersionType = VERSION_TYPE;
private:
static constexpr std::uint32_t VERSION_BIT_COUNT = sizeof(VersionType) *
std::numeric_limits<unsigned char>::digits;
static constexpr std::uint32_t INDEX_BIT_COUNT = sizeof(IndexType) * std::numeric_limits<unsigned char>::digits;
static_assert(VERSION_BIT_COUNT + INDEX_BIT_COUNT <= 64,
"We cant construct a 64 bit key from the given Version and Index types!");
static constexpr std::uint64_t INDEX_MASK = (static_cast<std::uint64_t>(1) << INDEX_BIT_COUNT) - 1;
public:
static constexpr VersionType INVALID_VERSION = 0;
static constexpr IndexType MAX_INDEX = std::numeric_limits<IndexType>::max();
constexpr SlotKey(const VersionType p_version, const IndexType p_index):
m_key((static_cast<std::uint64_t>(p_version) << INDEX_BIT_COUNT) |
(static_cast<std::uint64_t>(p_index) & INDEX_MASK))
{
}
constexpr SlotKey():
SlotKey(INVALID_VERSION, 0)
{
}
constexpr SlotKey(const SlotKey& p_slotKey) = default;
constexpr SlotKey(SlotKey&& p_slotKey) = default;
constexpr ~SlotKey() = default;
constexpr bool Valid() const
{
return GetVersion() != INVALID_VERSION;
}
constexpr VersionType GetVersion() const
{
return static_cast<VersionType>(m_key >> INDEX_BIT_COUNT);
}
constexpr IndexType GetIndex() const
{
return static_cast<IndexType>(m_key & INDEX_MASK);
}
constexpr SlotKey& operator=(const SlotKey& p_slotKey) = default;
constexpr SlotKey& operator=(SlotKey&& p_slotKey) = default;
[[nodiscard]]
constexpr bool operator==(const SlotKey& p_other) const = default;
private:
std::uint64_t m_key;
};
SlotMap(): SlotMap():
m_freeSlotHead(std::numeric_limits<typename SlotKey::IndexType>::max()) m_freeSlotHead(std::numeric_limits<typename InternalSlotKey::IndexType>::max())
{ {
} }
@@ -96,67 +96,68 @@ class SlotMap
template<class... ARGS> template<class... ARGS>
[[nodiscard]] [[nodiscard]]
SlotKey Insert(ARGS&&... p_args) InternalSlotKey Insert(ARGS&&... p_args)
{ {
ASSERT(UtilsAssertHandler, m_slots.size() < SlotKey::MAX_INDEX, "All slots have been exhausted!"); ASSERT(UtilsAssertHandler, m_slots.size() < InternalSlotKey::MAX_INDEX, "All slots have been exhausted!");
const typename SlotKey::IndexType dataIndex = static_cast<SlotKey::IndexType>(m_data.size()); const typename InternalSlotKey::IndexType dataIndex = static_cast<InternalSlotKey::IndexType>(m_data.size());
m_data.emplace_back(std::forward<ARGS>(p_args)...); m_data.emplace_back(std::forward<ARGS>(p_args)...);
if (HasFreeSlots()) if (HasFreeSlots())
{ {
const typename SlotKey::IndexType slotIndex = m_freeSlotHead; const typename InternalSlotKey::IndexType slotIndex = m_freeSlotHead;
m_freeSlotHead = m_slots[slotIndex].GetIndex(); m_freeSlotHead = m_slots[slotIndex].GetIndex();
m_slots[slotIndex] = SlotKey {m_slots[slotIndex].GetVersion(), dataIndex}; m_slots[slotIndex] = InternalSlotKey {m_slots[slotIndex].GetVersion(), dataIndex};
m_dataToSlots.push_back(slotIndex); m_dataToSlots.push_back(slotIndex);
return SlotKey {m_slots[slotIndex].GetVersion(), slotIndex}; return InternalSlotKey {m_slots[slotIndex].GetVersion(), slotIndex};
} }
const typename SlotKey::IndexType slotIndex = static_cast<SlotKey::IndexType>(m_slots.size()); const typename InternalSlotKey::IndexType slotIndex = static_cast<InternalSlotKey::IndexType>(m_slots.size());
m_slots.emplace_back(1, dataIndex); m_slots.emplace_back(1, dataIndex);
m_dataToSlots.push_back(slotIndex); m_dataToSlots.push_back(slotIndex);
return SlotKey {1, slotIndex}; return InternalSlotKey {1, slotIndex};
} }
void Remove(const SlotKey p_slotKey) void Remove(const InternalSlotKey p_slotKey)
{ {
if (!Has(p_slotKey)) if (!Has(p_slotKey))
{ {
return; return;
} }
const typename SlotKey::IndexType dataIndex = m_slots[p_slotKey.GetIndex()].GetIndex(); const typename InternalSlotKey::IndexType dataIndex = m_slots[p_slotKey.GetIndex()].GetIndex();
m_data.erase_unsorted(m_data.begin() + dataIndex); m_data.erase_unsorted(m_data.begin() + dataIndex);
m_dataToSlots.erase_unsorted(m_dataToSlots.begin() + dataIndex); m_dataToSlots.erase_unsorted(m_dataToSlots.begin() + dataIndex);
if (dataIndex < m_data.size()) if (dataIndex < m_data.size())
{ {
m_slots[m_dataToSlots[dataIndex]] = SlotKey {m_slots[m_dataToSlots[dataIndex]].GetVersion(), dataIndex}; m_slots[m_dataToSlots[dataIndex]] = InternalSlotKey {m_slots[m_dataToSlots[dataIndex]].GetVersion(),
dataIndex};
} }
RecycleSlot(p_slotKey.GetVersion() + 1, p_slotKey.GetIndex()); RecycleSlot(p_slotKey.GetVersion() + 1, p_slotKey.GetIndex());
} }
[[nodiscard]] [[nodiscard]]
bool Has(const SlotKey p_slotKey) const bool Has(const InternalSlotKey p_slotKey) const
{ {
return p_slotKey.Valid() && (p_slotKey.GetIndex() < m_slots.size() && return p_slotKey.Valid() && (p_slotKey.GetIndex() < m_slots.size() &&
p_slotKey.GetVersion() == m_slots[p_slotKey.GetIndex()].GetVersion()); p_slotKey.GetVersion() == m_slots[p_slotKey.GetIndex()].GetVersion());
} }
[[nodiscard]] [[nodiscard]]
TYPE* Get(const SlotKey p_slotKey) TYPE* Get(const InternalSlotKey p_slotKey)
{ {
return Has(p_slotKey) ? &m_data[m_slots[p_slotKey.GetIndex()].GetIndex()] : nullptr; return Has(p_slotKey) ? &m_data[m_slots[p_slotKey.GetIndex()].GetIndex()] : nullptr;
} }
[[nodiscard]] [[nodiscard]]
const TYPE* Get(const SlotKey p_slotKey) const const TYPE* Get(const InternalSlotKey p_slotKey) const
{ {
return Has(p_slotKey) ? &m_data[m_slots[p_slotKey.GetIndex()].GetIndex()] : nullptr; return Has(p_slotKey) ? &m_data[m_slots[p_slotKey.GetIndex()].GetIndex()] : nullptr;
} }
@@ -166,14 +167,14 @@ class SlotMap
m_data.clear(); m_data.clear();
m_slots.clear(); m_slots.clear();
m_dataToSlots.clear(); m_dataToSlots.clear();
m_freeSlotHead = std::numeric_limits<typename SlotKey::IndexType>::max(); m_freeSlotHead = std::numeric_limits<typename InternalSlotKey::IndexType>::max();
} }
void Clear() void Clear()
{ {
for (const typename eastl::vector<TYPE>::size_type slotIndex: m_dataToSlots) for (const typename eastl::vector<TYPE>::size_type slotIndex: m_dataToSlots)
{ {
RecycleSlot(m_slots[slotIndex].GetVersion() + 1, static_cast<SlotKey::IndexType>(slotIndex)); RecycleSlot(m_slots[slotIndex].GetVersion() + 1, static_cast<InternalSlotKey::IndexType>(slotIndex));
} }
m_data.clear(); m_data.clear();
@@ -284,27 +285,27 @@ class SlotMap
[[nodiscard]] [[nodiscard]]
bool HasFreeSlots() const bool HasFreeSlots() const
{ {
return m_freeSlotHead != std::numeric_limits<typename SlotKey::IndexType>::max(); return m_freeSlotHead != std::numeric_limits<typename InternalSlotKey::IndexType>::max();
} }
void RecycleSlot(const SlotKey::VersionType p_version, const SlotKey::IndexType p_slotIndex) void RecycleSlot(const InternalSlotKey::VersionType p_version, const InternalSlotKey::IndexType p_slotIndex)
{ {
if (p_version == SlotKey::INVALID_VERSION) if (p_version == InternalSlotKey::INVALID_VERSION)
{ {
m_slots[p_slotIndex] = SlotKey {SlotKey::INVALID_VERSION, 0}; m_slots[p_slotIndex] = InternalSlotKey {InternalSlotKey::INVALID_VERSION, 0};
return; return;
} }
m_slots[p_slotIndex] = SlotKey {p_version, m_freeSlotHead}; m_slots[p_slotIndex] = InternalSlotKey {p_version, m_freeSlotHead};
m_freeSlotHead = p_slotIndex; m_freeSlotHead = p_slotIndex;
} }
eastl::vector<TYPE> m_data; eastl::vector<TYPE> m_data;
eastl::vector<SlotKey> m_slots; eastl::vector<InternalSlotKey> m_slots;
eastl::vector<typename eastl::vector<TYPE>::size_type> m_dataToSlots; eastl::vector<typename eastl::vector<TYPE>::size_type> m_dataToSlots;
SlotKey::IndexType m_freeSlotHead; InternalSlotKey::IndexType m_freeSlotHead;
}; };
} // namespace Bigfoot } // namespace Bigfoot
+35 -33
View File
@@ -43,10 +43,11 @@ template<class CONFIG>
class SlotKeyFixture: public ::testing::Test class SlotKeyFixture: public ::testing::Test
{ {
protected: protected:
using SlotMapVersion = typename CONFIG::Version; using SlotMapVersionType = typename CONFIG::Version;
using SlotMapIndex = typename CONFIG::Index; using SlotMapIndexType = typename CONFIG::Index;
using SlotMapType = SlotMap<std::uint32_t, SlotMapVersion, SlotMapIndex>;
using SlotKey = typename SlotMapType::SlotKey; using SlotMapType = SlotMap<std::uint32_t, SlotMapVersionType, SlotMapIndexType>;
using SlotKeyType = typename SlotMapType::InternalSlotKey;
}; };
TYPED_TEST_SUITE(SlotKeyFixture, SlotMapConfigs, SlotMapConfigNames); TYPED_TEST_SUITE(SlotKeyFixture, SlotMapConfigs, SlotMapConfigNames);
@@ -55,10 +56,10 @@ TYPED_TEST_SUITE(SlotKeyFixture, SlotMapConfigs, SlotMapConfigNames);
TYPED_TEST(SlotKeyFixture, DefaultSlotKeyIsInvalid) TYPED_TEST(SlotKeyFixture, DefaultSlotKeyIsInvalid)
{ {
constexpr typename TestFixture::SlotMapIndex index = 0; constexpr typename TestFixture::SlotMapIndexType index = 0;
constexpr typename TestFixture::SlotMapVersion version = 0; constexpr typename TestFixture::SlotMapVersionType version = 0;
constexpr typename TestFixture::SlotKey slotKey {}; constexpr typename TestFixture::SlotKeyType slotKey {};
EXPECT_FALSE(slotKey.Valid()); EXPECT_FALSE(slotKey.Valid());
EXPECT_EQ(slotKey.GetVersion(), version); EXPECT_EQ(slotKey.GetVersion(), version);
EXPECT_EQ(slotKey.GetIndex(), index); EXPECT_EQ(slotKey.GetIndex(), index);
@@ -68,10 +69,10 @@ TYPED_TEST(SlotKeyFixture, DefaultSlotKeyIsInvalid)
TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnTrueIfTheSlotKeyIsValid) TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnTrueIfTheSlotKeyIsValid)
{ {
constexpr typename TestFixture::SlotMapIndex index = 0; constexpr typename TestFixture::SlotMapIndexType index = 0;
constexpr typename TestFixture::SlotMapVersion version = 1; constexpr typename TestFixture::SlotMapVersionType version = 1;
constexpr typename TestFixture::SlotKey slotKey {version, index}; constexpr typename TestFixture::SlotKeyType slotKey {version, index};
EXPECT_TRUE(slotKey.Valid()); EXPECT_TRUE(slotKey.Valid());
} }
@@ -79,10 +80,10 @@ TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnTrueIfTheSlotKeyIsValid)
TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnFalseIfTheSlotKeyIsValid) TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnFalseIfTheSlotKeyIsValid)
{ {
constexpr typename TestFixture::SlotMapIndex index = 0; constexpr typename TestFixture::SlotMapIndexType index = 0;
constexpr typename TestFixture::SlotMapVersion version = 0; constexpr typename TestFixture::SlotMapVersionType version = 0;
constexpr typename TestFixture::SlotKey slotKey {version, index}; constexpr typename TestFixture::SlotKeyType slotKey {version, index};
EXPECT_FALSE(slotKey.Valid()); EXPECT_FALSE(slotKey.Valid());
} }
@@ -90,10 +91,10 @@ TYPED_TEST(SlotKeyFixture, Valid_ShouldReturnFalseIfTheSlotKeyIsValid)
TYPED_TEST(SlotKeyFixture, GetVersion_ShouldReturnTheVersion) TYPED_TEST(SlotKeyFixture, GetVersion_ShouldReturnTheVersion)
{ {
constexpr typename TestFixture::SlotMapIndex index = 0; constexpr typename TestFixture::SlotMapIndexType index = 0;
constexpr typename TestFixture::SlotMapVersion version = 42; constexpr typename TestFixture::SlotMapVersionType version = 42;
constexpr typename TestFixture::SlotKey slotKey {version, index}; constexpr typename TestFixture::SlotKeyType slotKey {version, index};
EXPECT_EQ(slotKey.GetVersion(), version); EXPECT_EQ(slotKey.GetVersion(), version);
} }
@@ -101,10 +102,10 @@ TYPED_TEST(SlotKeyFixture, GetVersion_ShouldReturnTheVersion)
TYPED_TEST(SlotKeyFixture, GetIndex_ShouldReturnTheIndex) TYPED_TEST(SlotKeyFixture, GetIndex_ShouldReturnTheIndex)
{ {
constexpr typename TestFixture::SlotMapIndex index = 42; constexpr typename TestFixture::SlotMapIndexType index = 42;
constexpr typename TestFixture::SlotMapVersion version = 0; constexpr typename TestFixture::SlotMapVersionType version = 0;
constexpr typename TestFixture::SlotKey slotKey {version, index}; constexpr typename TestFixture::SlotKeyType slotKey {version, index};
EXPECT_EQ(slotKey.GetIndex(), index); EXPECT_EQ(slotKey.GetIndex(), index);
} }
@@ -114,10 +115,11 @@ template<class CONFIG>
class SlotMapFixture: public ::testing::Test class SlotMapFixture: public ::testing::Test
{ {
protected: protected:
using SlotMapVersion = typename CONFIG::Version; using SlotMapVersionType = typename CONFIG::Version;
using SlotMapIndex = typename CONFIG::Index; using SlotMapIndexType = typename CONFIG::Index;
using SlotMapType = SlotMap<std::uint32_t, SlotMapVersion, SlotMapIndex>;
using SlotKey = typename SlotMapType::SlotKey; using SlotMapType = SlotMap<std::uint32_t, SlotMapVersionType, SlotMapIndexType>;
using SlotKeyType = typename SlotMapType::InternalSlotKey;
SlotMapType m_slotMap; SlotMapType m_slotMap;
}; };
@@ -159,8 +161,8 @@ TYPED_TEST(SlotMapFixture, Has_ShouldReturnFalseIfTheSlotMapDoesNotHaveTheKey)
const auto slotKey = this->m_slotMap.Insert(42); const auto slotKey = this->m_slotMap.Insert(42);
this->m_slotMap.Remove(slotKey); this->m_slotMap.Remove(slotKey);
EXPECT_FALSE(this->m_slotMap.Has(slotKey)); EXPECT_FALSE(this->m_slotMap.Has(slotKey));
EXPECT_FALSE(this->m_slotMap.Has(typename TestFixture::SlotKey {1, 22})); EXPECT_FALSE(this->m_slotMap.Has(typename TestFixture::SlotKeyType {1, 22}));
EXPECT_FALSE(this->m_slotMap.Has(typename TestFixture::SlotKey {})); EXPECT_FALSE(this->m_slotMap.Has(typename TestFixture::SlotKeyType {}));
} }
/****************************************************************************************/ /****************************************************************************************/
@@ -176,7 +178,7 @@ TYPED_TEST(SlotMapFixture, Remove_ShouldRemoveTheSlotKey)
TYPED_TEST(SlotMapFixture, Remove_ShouldNotRecycleASlotWhenVersionWasExhausted) TYPED_TEST(SlotMapFixture, Remove_ShouldNotRecycleASlotWhenVersionWasExhausted)
{ {
if constexpr (std::is_same_v<typename TestFixture::SlotMapVersion, std::uint32_t>) if constexpr (std::is_same_v<typename TestFixture::SlotMapVersionType, std::uint32_t>)
{ {
GTEST_SKIP() << "Skipped for 32-bit version: exhausting all versions is too slow."; GTEST_SKIP() << "Skipped for 32-bit version: exhausting all versions is too slow.";
} }
@@ -184,8 +186,8 @@ TYPED_TEST(SlotMapFixture, Remove_ShouldNotRecycleASlotWhenVersionWasExhausted)
{ {
auto key = this->m_slotMap.Insert(1); auto key = this->m_slotMap.Insert(1);
for (typename TestFixture::SlotMapVersion i = 1; for (typename TestFixture::SlotMapVersionType i = 1;
i < std::numeric_limits<typename TestFixture::SlotMapVersion>::max(); i < std::numeric_limits<typename TestFixture::SlotMapVersionType>::max();
++i) ++i)
{ {
this->m_slotMap.Remove(key); this->m_slotMap.Remove(key);
@@ -195,7 +197,7 @@ TYPED_TEST(SlotMapFixture, Remove_ShouldNotRecycleASlotWhenVersionWasExhausted)
} }
// Slot is at MAX_VERSION — one more remove should overflow and permanently deactivate it // Slot is at MAX_VERSION — one more remove should overflow and permanently deactivate it
EXPECT_EQ(key.GetVersion(), std::numeric_limits<typename TestFixture::SlotMapVersion>::max()); EXPECT_EQ(key.GetVersion(), std::numeric_limits<typename TestFixture::SlotMapVersionType>::max());
this->m_slotMap.Remove(key); this->m_slotMap.Remove(key);
EXPECT_FALSE(this->m_slotMap.Has(key)); EXPECT_FALSE(this->m_slotMap.Has(key));
@@ -205,7 +207,7 @@ TYPED_TEST(SlotMapFixture, Remove_ShouldNotRecycleASlotWhenVersionWasExhausted)
EXPECT_NE(newKey.GetIndex(), key.GetIndex()); EXPECT_NE(newKey.GetIndex(), key.GetIndex());
// Ensure an invalid key does not return an exhausted slot // Ensure an invalid key does not return an exhausted slot
EXPECT_EQ(this->m_slotMap.Get(typename TestFixture::SlotKey {}), nullptr); EXPECT_EQ(this->m_slotMap.Get(typename TestFixture::SlotKeyType {}), nullptr);
} }
} }
@@ -228,7 +230,7 @@ TYPED_TEST(SlotMapFixture, Remove_ShouldNotDoAnythingInCaseStaleKey)
{ {
const auto slotKey1 = this->m_slotMap.Insert(42); const auto slotKey1 = this->m_slotMap.Insert(42);
this->m_slotMap.Remove(typename TestFixture::SlotKey {2, 0}); this->m_slotMap.Remove(typename TestFixture::SlotKeyType {2, 0});
EXPECT_EQ(*this->m_slotMap.Get(slotKey1), 42); EXPECT_EQ(*this->m_slotMap.Get(slotKey1), 42);
} }
@@ -243,8 +245,8 @@ TYPED_TEST(SlotMapFixture, Get_ShouldReturnNullptrForInvalidSlotKeys)
const auto validate = [&](auto& p_slotMap) const auto validate = [&](auto& p_slotMap)
{ {
EXPECT_EQ(p_slotMap.Get(slotKey), nullptr); EXPECT_EQ(p_slotMap.Get(slotKey), nullptr);
EXPECT_EQ(p_slotMap.Get(typename TestFixture::SlotKey {1, 3}), nullptr); EXPECT_EQ(p_slotMap.Get(typename TestFixture::SlotKeyType {1, 3}), nullptr);
EXPECT_EQ(p_slotMap.Get(typename TestFixture::SlotKey {}), nullptr); EXPECT_EQ(p_slotMap.Get(typename TestFixture::SlotKeyType {}), nullptr);
}; };
validate(this->m_slotMap); validate(this->m_slotMap);