From: Ketil Malde [mailto:ketil+haskell@ii.uib.no]
You also need to specify, or let the user specify, the order of arithmetic. I.e. adding a day and then a second is different from doing it the other way around.
Duration arithmetic is not commutative? Can you give some examples please, because I'm not able to imagine any. ----------------------------------------- ***************************************************************** Confidentiality Note: The information contained in this message, and any attachments, may contain confidential and/or privileged material. It is intended solely for the person(s) or entity to which it is addressed. Any review, retransmission, dissemination, or taking of any action in reliance upon this information by persons or entities other than the intended recipient(s) is prohibited. If you received this in error, please contact the sender and delete the material from any computer. *****************************************************************