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AK: Annotate DoublyLinkedList functions with [[nodiscard]]

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Brian Gianforcaro 2021-04-11 01:22:35 -07:00 • committed by Andreas Kling
parent 5165661799
commit eaa9ec9b5d
1 changed files with 7 additions and 7 deletions
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14
AK/DoublyLinkedList.h
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@ -44,7 +44,7 @@ public:
} }
ElementType& operator*() { return m_node->value; } ElementType& operator*() { return m_node->value; }
ElementType* operator->() { return &m_node->value; } ElementType* operator->() { return &m_node->value; }
bool is_end() const { return !m_node; } [[nodiscard]] bool is_end() const { return !m_node; }
static DoublyLinkedListIterator universal_end() { return DoublyLinkedListIterator(nullptr); } static DoublyLinkedListIterator universal_end() { return DoublyLinkedListIterator(nullptr); }
private: private:
@ -76,7 +76,7 @@ public:
DoublyLinkedList() = default; DoublyLinkedList() = default;
~DoublyLinkedList() { clear(); } ~DoublyLinkedList() { clear(); }
bool is_empty() const { return !m_head; } [[nodiscard]] bool is_empty() const { return !m_head; }
void clear() void clear()
{ {
@ -89,22 +89,22 @@ public:
m_tail = nullptr; m_tail = nullptr;
} }
T& first() [[nodiscard]] T& first()
{ {
VERIFY(m_head); VERIFY(m_head);
return m_head->value; return m_head->value;
} }
const T& first() const [[nodiscard]] const T& first() const
{ {
VERIFY(m_head); VERIFY(m_head);
return m_head->value; return m_head->value;
} }
T& last() [[nodiscard]] T& last()
{ {
VERIFY(m_head); VERIFY(m_head);
return m_tail->value; return m_tail->value;
} }
const T& last() const [[nodiscard]] const T& last() const
{ {
VERIFY(m_head); VERIFY(m_head);
return m_tail->value; return m_tail->value;
@ -147,7 +147,7 @@ public:
m_head = node; m_head = node;
} }
bool contains_slow(const T& value) const [[nodiscard]] bool contains_slow(const T& value) const
{ {
return find(value) != end(); return find(value) != end();
} }