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AK: Implement HashTable assignment in terms of swap

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Dano Perniš 2020-10-17 15:08:09 +02:00 • committed by Andreas Kling
parent 7f3f63dd92
commit d30c559774
1 changed files with 5 additions and 15 deletions
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20
AK/HashTable.h
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@ -100,16 +100,12 @@ public:
HashTable& operator=(const HashTable& other) HashTable& operator=(const HashTable& other)
{ {
if (this != &other) { HashTable temporary(other);
clear(); swap(*this, temporary);
rehash(other.capacity());
for (auto& it : other)
set(it);
}
return *this; return *this;
} }
HashTable(HashTable&& other) HashTable(HashTable&& other) noexcept
: m_buckets(other.m_buckets) : m_buckets(other.m_buckets)
, m_size(other.m_size) , m_size(other.m_size)
, m_capacity(other.m_capacity) , m_capacity(other.m_capacity)
@ -121,15 +117,9 @@ public:
other.m_buckets = nullptr; other.m_buckets = nullptr;
} }
HashTable& operator=(HashTable&& other) HashTable& operator=(HashTable&& other) noexcept
{ {
if (this != &other) { swap(*this, other);
clear();
m_buckets = exchange(other.m_buckets, nullptr);
m_size = exchange(other.m_size, 0);
m_capacity = exchange(other.m_capacity, 0);
m_deleted_count = exchange(other.m_deleted_count, 0);
}
return *this; return *this;
} }