Class MapUntypedContains

All Implemented Interfaces:
Callable, Function, GroundedValue, Item, Sequence

public class MapUntypedContains extends SystemFunction
Implementation of an internal function map:untyped-contains(Map, key) => boolean, which is like map:contains except that if the supplied key is untyped atomic, it is converted to all the possible types present in the map and returns true if the key after conversion is present. In addition, if the supplied key is NaN then the result is always false.
  • Constructor Details

    • MapUntypedContains

      public MapUntypedContains()
  • Method Details

    • call

      public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException
      Description copied from interface: Function
      Invoke the function
      Parameters:
      context - the XPath dynamic evaluation context
      arguments - the actual arguments to be supplied
      Returns:
      the result of invoking the function
      Throws:
      XPathException - if a dynamic error occurs within the function