Untitled
public text v1 · immutable/rev {
var %a = 1, %b
while ($mid($1-,%a,1) != $null) { %b = $ifmatch $+ %b | inc %a }
if ($isid) return %b
else say %b
}/rev {
var %a = 1, %b
while ($mid($1-,%a,1) != $null) { %b = $ifmatch $+ %b | inc %a }
if ($isid) return %b
else say %b
}