BAN: Add basic ScopeGuard

BAN/include/BAN/ScopeGuard.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <BAN/Function.h>
+
+namespace BAN
+{
+
+	class ScopeGuard
+	{
+	public:
+		ScopeGuard(const BAN::Function<void()>& func)
+			: m_func(func)
+		{ }
+		~ScopeGuard()
+		{
+			m_func();
+		}
+	private:
+		BAN::Function<void()> m_func;
+	};
+
+}