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## Package com.saxonica.functions.map

This package implements maps, a Saxon extension to the XSLT and XQuery specification that provides a dictionary-like data structure.

See:
Description

Class Summary
ImmutableMap<K,V> | An immutable map.
MapGet | Implementation of the extension function map:get(Map, key) => value
MapKeys | Implementation of the extension function map:keys(Map) => atomicValue*
MapNew | Implementation of the extension function map:new() => Map
MapPut | Implementation of the extension function map:put(Map, key, value) => Map

## Package com.saxonica.functions.map Description

This package implements maps, a Saxon extension to the XSLT and XQuery specification that provides a dictionary-like data structure.

Maps are immutable, so that adding a new entry to a map creates a new map.

The entries in a map are (Key, Value) pairs. The key is always an atomic value; the value may be any XPath sequence.

There are functions (each supported by its own implementation class) to create a new map, to add an entry to a map, to get an entry from a map, and to list all the keys that are present in a map.

Michael H. Kay
Saxonica Limited
30 July 2010

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Copyright (c) 2004-2010 Saxonica Limited. All rights reserved.