Module operators/accumulator

References

$accumulator → $accumulator
$addToSet → $addToSet
$avg → $avg
$bottom → $bottom
$bottomN → $bottomN
$count → $count
$covariancePop → $covariancePop
$covarianceSamp → $covarianceSamp
$first → $first
$firstN → $firstN
$last → $last
$lastN → $lastN
$max → $max
$maxN → $maxN
$median → $median
$mergeObjects → $mergeObjects
$min → $min
$minN → $minN
$percentile → $percentile
$push → $push
$stdDevPop → $stdDevPop
$stdDevSamp → $stdDevSamp
$sum → $sum
$top → $top
$topN → $topN