[Haskell-cafe] What is the good way to work with list comprehension and UTCTime?
hellertime at gmail.com
Mon Sep 17 02:34:40 CEST 2012
Antoine has it right, the language is lifted from the RFC.
SAS - Advanced Analytics
Teragram Research & Development
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On Sep 16, 2012, at 7:14 PM, Antoine Latter <aslatter at gmail.com> wrote:
> On Sun, Sep 16, 2012 at 5:04 PM, Richard O'Keefe <ok at cs.otago.ac.nz> wrote:
>> On 15/09/2012, at 5:14 AM, Chris Heller wrote:
>>> You might want to have a look at the time-recurrence package: http://hackage.haskell.org/package/time-recurrence
>>> For your simple cases you would do something like:
>>> Each second:
>>> starting (UTCTime ...) $ recur secondly
>>> Each minute:
>>> starting (UTCTime ...) $ recur minutely
>> Ouch. Look up "minutely" (my-NEWT-ly) in an English
>> dictionary. Look up "secondly" while you're there.
> You can blame RFC 5545 for that one. In section 3.3.10. our frequencies are:
> freq = "SECONDLY" / "MINUTELY" / "HOURLY" / "DAILY"
> / "WEEKLY" / "MONTHLY" / "YEARLY"
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