code: func funcSort(vals []Value, args Expressions, enh *EvalNodeHelper) Vector {
  	// NaN should sort to the bottom, so take descending sort with NaN first and
  	// reverse it.
  	byValueSorter := vectorByReverseValueHeap(vals[0].(Vector))
  	sort.Sort(sort.Reverse(byValueSorter))
  	return Vector(byValueSorter)
  }
docs: // === sort(node ValueTypeVector) Vector ===