flatten #19

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opened 2025-10-07 23:27:42 +01:00 by apb · 0 comments

apb commented

2025-10-07 23:27:42 +01:00

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(:~ 
 :simplify by omitting elements with only one child
:)
declare function xp:flatten($input as element()) as element() {
  if (1=count($input/*)) then xp:flatten($input/*)
  else element {node-name($input) }
      {$input/@*,
       for $child in $input/node()
          return
             if ($child instance of element())
                then xp:flatten($child)
                else $child
      }
};

```xquery (:~ :simplify by omitting elements with only one child :) declare function xp:flatten($input as element()) as element() { if (1=count($input/*)) then xp:flatten($input/*) else element {node-name($input) } {$input/@*, for $child in $input/node() return if ($child instance of element()) then xp:flatten($child) else $child } }; ```

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Reference: quodatum/basex-lsp#19

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