Brian Aker wrote:
Hi!
On Oct 14, 2009, at 1:09 PM, Jim Starkey wrote:
Implementing 'now' as a manifest constant rather (or in addition to)
a pseudo function has much going for it. You can also do 'today',
'tomorrow', 'yesterday', and 'Ann\'s birthday', though the latter is
probably less general.
If you did it as a constant, every time you wanted to add a new
function you would be modifying an enum. Removing a function? Still
sounds bad.
Using a string to match with knowledge that it was a function that was
asked for works. One further step might be to identify the version of
the function that existed during the creation just to be on the safe
side. Or hell... implement COM :)
No, just extend the string to date conversion function. Highly
localized, fast, and completely general.
--
Jim Starkey
Founder, NimbusDB, Inc.
978 526-1376
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