Hi all -
I was wondering if anyone would have an insight for me as to why the
following expression is wrong:
```
for $s in ("/a/b/c", "/1/2/3")
let $t := $s => tokenize("/")[last()]
return $t
```
This is because of the predicate filter, but I'm not clear on *why* it's
because of that :)
Thanks for your help!
Best,
Bridger
PS I don't always remember to look at the optimized query in the Info
window, but when I do I always get a hint about something; "util:last()" in
this case.
correctly
```
for $s in ("/a/b/c", "/1/2/3")
let $t := tokenize($s, "/")[last()]
return $t
```
```
for $s in ("/a/b/c", "/1/2/3")
let $t := $s => tokenize("/") => util:last()
return $t
```
