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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XSLT repetition constructs
 A good simple use case for fold-left() is to accumulate a running total, i.e. turn (1,2,3,4) into (1,3,6,10). The example to simply compute the running total (e.g. map (1,2,3,4) to 10) is in the spec with B B fold-left((1 to 4), 0, function($a, $b) { $a + $b}) But to map the whole sequence (1,2,3,4) with fold-left to a new sequence of (1,3,6,10) I am already struggling to express that in a compact way, is fold-left(
B (1 to 4),
B (),
B function ($a, $b) {B $a, if (empty($a)) then $b else $b + $a[last()] }
)a good way? Or can the third argument, the function be expressed in a more compact way? 
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