[Glass] Some 'minor' things

[James Foster via Glass]

I see the distinction now. My inclination is to stay as close to ANSI as possible, so it seems that a new object with a Date and a Duration is what you need. I suppose it could be named Timespan and the API could be copied from Pharo. If it were popular it could be added to the GemStone portability layer.
> On Dec 1, 2014, at 9:01 AM, Dario Trussardi via Glass <glass at lists.gemtalksystems.com> wrote:
> 
> 
> Thanks James,
> 
> 
>>> On Dec 1, 2014, at 8:12 AM, Dario Trussardi via Glass <glass at lists.gemtalksystems.com> wrote:
>>> 
>>> 	4) Gemstone don't implement a Timespan 	subclass	 Date   as into  Pharo
>>> 
>>> 		 Instances of Date are Timespans with duration of 1 day.
>>> 
>>> 		I don't find any equivalent class into Gemstone.
>> 
>> See Duration (as defined in ANSI).
> 
> 	but Durations ( if right understand ) don't define a reference data when itself starting.
> 
> 	With this limitations a need to manage two element:
> 
> 		1) the reference data 
> 
> 		2) the duration 
> 
> 	Into Pharo i can operate with only one element  which defines both the departure date that the duration.
> 	
> 	It's very useful when i need to select some element according to the period of membership.
> 
> 	As advice to proceed to handle this problem?
> 
> 	I do not want to invent the hot water
> 
> 	Thanks for any considerations ?
> 
> 	Dario
> 
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