On Wed, May 18, 2016 at 11:27 AM, mt1957 <mt1...@gmail.com> wrote: > This has something to do with lazy evaluation. It triggers the calculation > when it wants to show the value in $r.
IIRC it doesn't throw, it returns a Failure (deferred/lazy exception that throws when accessed). -- brandon s allbery kf8nh sine nomine associates allber...@gmail.com ballb...@sinenomine.net unix, openafs, kerberos, infrastructure, xmonad http://sinenomine.net
