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#pragma once
#include <stack>
#include "Operation.h"
#include "OwnPtr.h"
class UndoStack {
public:
UndoStack() { }
void push(OwnPtr<Operation>&&);
OwnPtr<Operation> pop();
bool is_empty() const { return m_stack.empty(); }
private:
std::stack<OwnPtr<Operation>> m_stack;
};
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