From 3dbc5c211a589450f47c893d41415976933cf842 Mon Sep 17 00:00:00 2001
From: Tijmen van Nesselrooij <tijmen_222@hotmail.com>
Date: Sun, 28 Apr 2019 19:48:36 +0200
Subject: [PATCH] Vector added

---
 random-access-containers/vector.hpp | 38 +++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 random-access-containers/vector.hpp

diff --git a/random-access-containers/vector.hpp b/random-access-containers/vector.hpp
new file mode 100644
index 0000000..4169c8f
--- /dev/null
+++ b/random-access-containers/vector.hpp
@@ -0,0 +1,38 @@
+#include <cstddef>
+#include <cstdlib>
+#include <stdexcept>
+
+template<class T>
+class Vector
+{
+protected:
+	T * data;
+	std::size_t size;
+
+public:
+	void Resize(std::size_t const newSize)
+	{
+		void * result = std::realloc(data, newSize);
+		if(result == nullptr)
+		{
+			throw std::runtime_error("Cannot allocate the requested size of memory.");
+		}
+
+		size = newSize;
+		data = reinterpret_cast<T *>(result);
+	}
+
+	T & operator[](std::size_t const index)
+	{
+		if(index >= size)
+		{
+			throw std::out_of_range("Index is greater or equal to size.");
+		}
+		return data[index];
+	}
+
+	std::size_t GetSize() const
+	{
+		return size;
+	}
+};
\ No newline at end of file