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xdmp.functionReturnType

xdmp.functionReturnType(
   $function as function(*)
) as String

Summary

Returns the return type from the given function's signature.

Parameters
$function The function value.

Example

var fn = xdmp.function(fn.QName("http://www.w3.org/2005/xpath-functions",
                                "empty"));
xdmp.functionReturnType(fn);
=> "xs:boolean"

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