@ngn I found another segfault while messing around with this golf: {{$[x>#s:,/$y;y,2**|y;(1<#y)&x=#s;s;::]}[x]\'|2/=12}3. It throws a 'typ, but hitting Enter again causes a crash
(the exact behavior seems to vary based off of how long the input string is, e.g. "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" just returns 0 1 2 3 4 5 6 7 8 9)
@ngn I must be on a tear today... 2 2/'(1;2 3 4) also segfaults when run a couple times (I think it's when one of the items in the RHS list (but not the first) is longer than the LHS of /)