// StdDynamicLowLevelInterface
/*
:: LazyDynamicReference
	= { 
		ldr_id					:: !Int			// run-time id of lazy dynamic
	,	ldr_lazy_dynamic_index	:: !Int			// disk id for build_lazy_block
	};
*/

// Node, *incorrect* for node
// unboxed
#define LDR_ID							0
#define LDR_LAZY_DYNAMIC_INDEX			4