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→update:output
|-
| width='120' | '''Signatures'''
|{{Func|update:apply|$function as function(*), $arguments as array(*))|empty-sequence()}}
|-
| '''Summary'''
|-
| width='120' | '''Signatures'''
|{{Func|update:for-each|$seq as item()*, $function as function(item()) as item()*)|empty-sequence()}}
|-
| '''Summary'''
|-
| width='120' | '''Signatures'''
|{{Func|update:for-each-pair|$seq1 as item()*, $function as function(item()) as item()*)|empty-sequence()}}
|-
| '''Summary'''
|-
| '''Summary'''
|This function is a helper function for returning results in an updating expression. The argument of the function will be evaluated, and the resulting items will be cached and returned after the updates on the ''pending update list'' have been processed. As nodes may If the supplied item will be updatedaffected by an update, they a copy will be copied before being created and cachedinstead.
|-
| '''Examples'''
|}
==update:output-cache==
{| width='100%'
|-
| width='120' | '''Signatures'''
|{{Func|update:output-cache||item()*}}
|-
| '''Summary'''
=Changelog=
;Version 9.1
* [[#update:output|update:output]]: Maps and arrays can be cached if they contain no persistent database nodes or function items.
;Version 9.0
* Updated: db:output renamed to {{Function|Update|update:output}}, db:output-cache renamed to {{Function|Update|update:cache}}
This module was introduced with Version 9.0.
