xdmp.castableAsxdmp.castableasxdmpcastableas/apidoc/8.0/xdmp:castable-as.xml
Returns true if a value is castable.
This is similar to the "castable as" XQuery predicate, except that the
type is determined at runtime.
The namespace URI of the type.
namespace-uriString
The local-name of the type.
local-nameString
The item to be cast.
itemString?Boolean