## xs:long Server Expression

A server expression that returns a value of (or implicitly castable to) the xs:long server type. For all server types, see the Server Expression Type Hierarchy.

### Cast With

Server Return Type | Server Function | Java Doc
--- | --- | ---
xs:long? | xs:long(item arg1?) | java

### Parameter Of

Server Return Type | Server Function | Java Doc | Server Doc
--- | --- | --- | ---
xs:unsignedLong | xdmp:lshift64(xs:unsignedLong x, xs:long y) | java | server
xs:unsignedLong | xdmp:rshift64(xs:unsignedLong x, xs:long y) | java | server