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Newsgroups: comp.lang.ada
Subject: Re: Ada Singleton Pattern
References: <%Fi1d.245967$OR2.11136154@news3.tin.it> <414CAC2B.60400@y.com>
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Date: Mon, 20 Sep 2004 03:03:34 GMT
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Date: 2004-09-20T03:03:34+00:00
List-Id: wrote in message news:<414CAC2B.60400@y.com>...
>
>>Luca Stasio wrote:
>>
>>>Hi, there is a way to implement the Singleton Pattern in Ada?
>>>There are some examples out there?
>>>Thanx.
>>>
>>package Example_Of_Singleton is
>>
>> procedure Do_Something;
>>
>> procedure Do_Something_Else;
>>
>>end;
>>
>>
>>Bring it on you stupid GangOfFour bastards, with your idiotic bloated
>>idioms that inculcate and contaminate perfectly good alternative
>>languages!
>>
>
>
> I alluded to this in my previous post. To be fair, though, you can do
> this in C++ too:
>
> namespace Example_Of_Singleton
> {
> void do_something();
> void do_something_else();
> }
>
> One advantage of using a type is if the type is tagged. If there's a
> singleton instance of type in the class, then you can use that as a
> value of an object whose type is class-wide.
>
> However, most of the time you don't need all of this infrastructure,
> and the package/namespace technique is perfectly adequate.
>
> -Matt
>
Thank you, and thanks for Charles, which essentially
achieves the capabilities that the Ada gods intended
without being a whore to the mindless C++/Java mindset.