982 Editorial rewrite of scan-left and scan-right #1882
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michaelhkay
added
XQFO
| </fos:notes> | ||
| <fos:equivalent style="xpath-expression"> | ||
| (0 to count($input)) | ||
| ! [fold-left( subsequence($input, 1, .), $accum, $action )] |
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Maybe an alternative, if we want to avoid the simple map operator:
fold-left($input, [ $accum ], fn($a, $i) {
$a, [ $action(array:items(foot($a)), $i) ]
})(Motivation: Your remark on the mailing list that ”we should try to avoid reliance of constructs that don't themselves have a formal equivalent - which includes things like the "!" operator and FLWOR expressions.”).
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The CG agreed to merge this PR at meeting 114 |
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This is intended to be purely an editorial rewrite, it does not change the functionality.
Replaces #1296.
Addresses #982, but we still need to add corresponding functions for arrays.