## Uses of Interface
javax.xml.xpath.XPathFunction

- Packages that use XPathFunction
  Package | Description
  --- | ---
  javax.xml.xpath |
  org.apache.xalan.extensions | Implementation of Xalan Extension Mechanism.

- - ### Uses of XPathFunction in javax.xml.xpath

    Methods in javax.xml.xpath that return XPathFunction
    Modifier and Type | Method and Description
    --- | ---
    `XPathFunction` | XPathFunctionResolver.`resolveFunction(QName functionName, int arity)` Find a function in the set of available functions.

  - ### Uses of XPathFunction in org.apache.xalan.extensions

    Classes in org.apache.xalan.extensions that implement XPathFunction
    Modifier and Type | Class and Description
    --- | ---
    `class` | `XPathFunctionImpl` A sample implementation of XPathFunction, with support for EXSLT extension functions and Java extension functions.

    Methods in org.apache.xalan.extensions that return XPathFunction
    Modifier and Type | Method and Description
    --- | ---
    `XPathFunction` | XPathFunctionResolverImpl.`resolveFunction(QName qname, int arity)` Resolve an extension function from the qualified name and arity.

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