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→hof:top-k-by
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| valign='top' width='90' | '''Signatures'''
|<code><b>hof:top-k-by</b>($seq as item()*, $sort-key as function(item()) as item(), $k as xs:integer, $seq as item()*) as item()*</code>
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| valign='top' | '''Summary'''
| valign='top' | '''Examples'''
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* <code>hof:top-k-by(1 to 1000, hof:id#1, 5, 1 to 1000)</code> returns <code>1000 999 998 997 996</code>* <code>hof:top-k-by(1 to 1000, function($x) { -$x }, 3, 1 to 1000)</code> returns <code>1 2 3</code>* <code>hof:top-k-by(xs:integer#1, 2, <x a='1' b='2' c='3'/>/@*, xs:integer#1, 2)/node-name()</code> returns <code>c b</code>
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