dmd 1.046 and 2.031 releases

["Jérôme M. Berger"]

Andrei Alexandrescu wrote:
> Jérôme M. Berger wrote:
>> Andrei Alexandrescu wrote:
>>> Jérôme M. Berger wrote:
>>>> Andrei Alexandrescu wrote:
>>>>> Derek Parnell wrote:
>>>>>> It seems that D would benefit from having a standard syntax format 
>>>>>> for
>>>>>> expressing various range sets;
>>>>>>  a. Include begin Include end, i.e. []
>>>>>>  b. Include begin Exclude end, i.e. [)
>>>>>>  c. Exclude begin Include end, i.e. (]
>>>>>>  d. Exclude begin Exclude end, i.e. ()
>>>>>
>>>>> I'm afraid this would majorly mess with pairing of parens.
>>>>>
>>>>     I think Derek's point was to have *some* syntax to mean this, 
>>>> not necessarily the one he showed (which he showed because I believe 
>>>> that's the "standard" mathematical way to express it for English 
>>>> speakers). For example, we could say that [] is always inclusive and 
>>>> have another character which makes it exclusive like:
>>>>  a. Include begin Include end, i.e. [  a .. b  ]
>>>>  b. Include begin Exclude end, i.e. [  a .. b ^]
>>>>  c. Exclude begin Include end, i.e. [^ a .. b  ]
>>>>  d. Exclude begin Exclude end, i.e. [^ a .. b ^]
>>>
>>> I think Walter's message really rendered the whole discussion moot. 
>>> Post of the year:
>>>
>>> =========================
>>> I like:
>>>
>>>    a .. b+1
>>>
>>> to mean inclusive range.
>>> =========================
>>>
>>> Consider "+1]" a special symbol that means the range is to be closed 
>>> to the right :o).
>>>
>>     Ah, but:
>>  - This is inconsistent between the left and right limit;
>>  - This only works for integers, not for floating point numbers.
> 
> How does it not work for floating point numbers?
> 
	Is that a trick question? Depending on the actual value of b, you 
might have b+1 == b (if b is large enough). Conversely, range a .. 
b+1 may contain a lot of extra numbers I may not want to include 
(like b+0.5)...

		Jerome
-- 
mailto:jeberger at free.fr
http://jeberger.free.fr
Jabber: jeberger at jabber.fr

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