This [[Module Library|XQuery Module]] contains functions for handling ''streamable'' items.
In contrast to standard XQuery items, a streamable item contains only contains a reference to the actual data. The data itself will be retrieved if it is requested by an expression, or if the item is to be serialized. Hence, a streamable item only uses a few bytes, and no additional memory is occupied during serialization.
The following BaseX functions return streamable items: