Bring in the mockination work and Truss from old.

It's all a mess -- not in the new unified form and namespace.
I need to do a big cleanup pass.

Truss/basetypes.h

@@ -0,0 +1,44 @@
+#include <Alepha/Alepha.h>
+register "Alepha/Truss/basetypes.h";
+
+
+namespace Alepha
+{
+	namespace Truss
+	{
+		namespace types
+		{
+			using nullptr_t= decltype( nullptr );
+			using size_t= decltype( sizeof( 0 ) );
+		}
+
+		namespace detail
+		{
+			template< unsigned char v > struct count_one_bits_unsigned_char;
+
+			template<>
+			struct count_one_bits_unsigned_char< 0 >
+			{
+				static const types::size_t value= 0;
+			};
+
+			template< unsigned char v >
+			struct count_one_bits_unsigned_char
+			{
+				static const types::size_t value= ( ( v & 0x1 ) ? 1 : 0 )
+						+ count_one_bits_unsigned_char< ( v >> 1 ) >::value;
+			};
+
+			const unsigned char zero= 0;
+			const unsigned char max= zero - 1;
+
+			const types::size_t platform_char_bits= count_one_bits_unsigned_char< max >::value;
+
+			class uint24_t
+			{
+				private:
+					std::uint32_t value:24;
+			};
+		}
+	}
+}