Module dev.metaschema.core

Package dev.metaschema.core.metapath.function.library

Class FnHead

java.lang.Object

dev.metaschema.core.metapath.function.library.FnHead

public final class FnHead
extends Object

Implements the XPath 3.1 fn:head function.

Method Summary

Modifier and Type	Method	Description
static IItem	fnHead(List<? extends IItem> sequence)	Return the first item in the sequence.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

fnHead

public static IItem fnHead(List<? extends IItem> sequence)

Return the first item in the sequence.

Parameters:

sequence - the sequence to check

Returns:

IItem first item in the sequence for a sequence null otherwise no item is returned