test modified to test ^hash.sort (feature #196)
$h[ $.d[1] $.a[2] $.c[3] $.b[4] ] $c[ ^h.foreach[key;value]{ $.$key[$value] } ] ^h.sort[k;]{$k} ^json:string[$h] ^json:string[$c] ^c.sort[;v]($v)[desc] ^json:string[$c]