[Haskell-cafe] Time zones and IO

Brandon Allbery allbery.b at gmail.com
Sun Nov 6 23:28:34 CET 2011

On Sun, Nov 6, 2011 at 17:25, Heller Time <hellertime at gmail.com> wrote:

> I rationalized the use of unsafePerformIO in the library by deciding that
> it was only being used in the case of a LocalTime instance (a user could
> always stick to UTCTime and avoid the issues) and that unless the machine
> running the program using time-recurrence was traveling across timezones
> (and the system was updating that fact) the program would essentially be
> referentially transparent :)

There's also late-night hackers doing stuff when DST changes (as it did in
the US last night and Europe a week ago).

brandon s allbery                                      allbery.b at gmail.com
wandering unix systems administrator (available)     (412) 475-9364 vm/sms
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