Module:SortedKeys

function getKeysSortedByValue(tbl, sortFunction) local keys = {} for key in pairs(tbl) do   table.insert(keys, key) end

table.sort(keys, function(a, b)   return sortFunction(tbl[a], tbl[b])  end)

return keys end

function table.sort_by_value(tbl) local sortedKeys = getKeysSortedByValue(tbl, function(a, b) return a < b end) local tmp_tbl = {} for _, key in ipairs(sortedKeys) do   tmp_tbl[key] = tbl[key] end return tmp_tbl end