Thread Group (More needs to be done, but this is a start).

ThreadGroup.h

@@ -0,0 +1,46 @@
+static_assert( __cplusplus > 2020'99 );
+
+#pragma once
+
+#include <Alepha/Alepha.h>
+
+#include "Thread.h"
+
+namespace Alepha::Hydrogen  ::detail::  ThreadGroup_m
+{
+	inline namespace exports
+	{
+		class ThreadGroup;
+	}
+
+	class exports::ThreadGroup
+	{
+		private:
+			std::vector< std::unique_ptr< Thread > > threads;
+
+		public:
+			template< typename Function >
+			void
+			addThread( Function function )
+			{	
+				// TODO: Exception handler wrapper
+				// TODO: lockstep start wrapper?
+				threads.push_back( std::make_unique< Thread >( std::forward< Function >( function ) ) );
+			}
+
+			void
+			join()
+			{
+				// TODO: Handle errors....
+				for( auto &thread: threads )
+				{
+					thread->join();
+				}
+			}
+	};
+}
+
+namespace Alepha::Hydrogen::inline exports::inline ThreadGroup_m
+{
+	using namespace detail::ThreadGroup_m::exports;
+}