ladybird/AK/Stack.h

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/*
* Copyright (c) 2021, Jesse Buhagiar <jooster669@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
namespace AK {
template<typename T, size_t stack_size>
class Stack {
public:
Stack() = default;
~Stack() = default;
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bool push(T const& item)
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{
if (m_stack.size() >= stack_size)
return false;
m_stack.unchecked_append(item);
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return true;
}
bool push(T&& item)
{
if (m_stack.size() >= stack_size)
return false;
m_stack.unchecked_append(move(item));
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return true;
}
bool is_empty() const
{
return m_stack.is_empty();
}
size_t size() const
{
return m_stack.size();
}
bool pop()
{
if (is_empty())
return false;
m_stack.resize_and_keep_capacity(m_stack.size() - 1);
return true;
}
T& top()
{
return m_stack.last();
}
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T const& top() const
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{
return m_stack.last();
}
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bool contains_slow(T const& value) const
{
return m_stack.contains_slow(value);
}
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private:
Vector<T, stack_size> m_stack;
};
}
#if USING_AK_GLOBALLY
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using AK::Stack;
#endif