Re: types and non-contigous ranges

[Erlo Haugen <_elh_@_tema_._com_>]

Randy Brukardt skrev:
> "Erlo Haugen" <_elh_@_tema_._com_> wrote in message
> news:403ef778$0$128$edfadb0f@dread11.news.tele.dk...
> 
>>I want to use the set/type like  this:
>>My_array : array[Valid_Characters] of something;
>>That excludes the character set, I guess.
> 
> 
> No, that excludes using an array. :-)
> 
> There is no such thing as discontiguous ranges in Ada; you'll have to create
> it yourself somehow. Ada.Strings.Maps is the easiest way for this particular
> case. For the array, I'd just make it an array (Character) of something, and
> just not use the 'invalid' slots. It's hardly worth the effort to do
> anything else unless "something" is very large.
> 
That was my conclusion too. So I create an array(character) of whatever 
and put empty (null) values in the unused positions.
It just seems like a "Non-Ada-ish" way..

-- 
Erlo
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