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#include "stack.hpp"
#include <iostream>
#include <stdexcept>

template <typename Item>
Stack<Item>::Stack(int capacity)
{
	_items.reserve(capacity);
}

template <typename Item>
void Stack<Item>::push(Item item)
{
	if (_items.size() == _items.capacity())
		throw std::overflow_error("Tried to push when stack is full");

	_items.push_back(item);
}

template <typename Item>
void Stack<Item>::pop()
{
	if (_items.size() == 0)
		throw std::underflow_error("Tried to pop when stack size is 0");

	_items.pop_back();
}

template <typename Item>
Item Stack<Item>::peek()
{
	if (_items.size() == 0)
		throw std::underflow_error("Tried to peek when stack size is 0");

	return _items.back();
}