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Sep 22nd, 2017
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  1. function fold([array]$a, [scriptblock]$func) {
  2.   $x = $a[0]
  3.   for ($i=1; $i -lt $a.length; $i++) {
  4.     $x = & $func $x $a[$i]
  5.   }
  6.   $x
  7. }
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