Stack added + found bugs squashed

sequential/stack.hpp

@@ -0,0 +1,46 @@
+#pragma once
+#include "vector.hpp"
+
+template<class T>
+class Stack
+{
+private:
+	Vector<T> data;
+	std::size_t actualSize;
+
+public:
+	void Push(T const & value)
+	{
+		++actualSize;
+		if(actualSize > data.GetSize())
+		{
+			data.Resize(actualSize);
+		}
+
+		data[actualSize - 1ul] = value;
+	}
+
+	T Pop()
+	{
+		if(actualSize == 0ul)
+		{
+			throw std::out_of_range("Cannot pop an empty stack.");
+		}
+		auto const retval = data[actualSize - 1ul];
+		
+		--actualSize;
+		data.Resize(actualSize);
+
+		return retval;
+	}
+
+	std::size_t GetSize() const
+	{
+		return actualSize;
+	}
+
+	Stack()
+		: actualSize(0)
+	{
+	}
+};