fn:for-each-pair

Applies the function item $f to successive pairs of items taken one from $seq1 and one from $seq2, returning the concatenation of the resulting sequences in order.

for-each-pair($seq1 as item()*, $seq2 as item()*, $f as function(item(), item()) as item()*) ➔ item()*

Arguments
	$seq1	item()*	The first sequence
	$seq2	item()*	The second sequence
	$f	function(item(), item()) as item()*	The function which will be applied to each pair of items from the two sequences
Result		item()*

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 3.0 Functions and Operators

XPath 3.1 Functions and Operators

Notes on the Saxon implementation

Available in Saxon 9.3 - 9.5 as fn:map-pairs() with altered argument order ($f,$seq1,$seq2), and provided XPath 3.0 is enabled.