Re: A question re meaning/use of the "for ... use ..."

["David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>]

Is a case statement not a "transfer of control?"

Are the exception choices of exception handler(s)
not a "transfer of control?"

----- Original Message ----- 
From: "Jeffrey Carter" <spam@spam.com>
Newsgroups: comp.lang.ada
To: <comp.lang.ada@ada-france.org>
Sent: December 06, 2004 7:36 PM
Subject: Re: A question re meaning/use of the "for ... use ..."


> Randy Brukardt wrote:
> 
>> The ARG discussed this long ago, and concluded that such a facility isn't
>> needed. That's because Unchecked_Conversion provides the needed support.
>> Indeed, this is one of the few cases where the result of
>> Unchecked_Conversion is defined by the language (using it in this way will
>> work on all Ada compilers). There was some discussion about syntax guides
>> that prohibit the use of Unchecked_Conversion, but there is a lot of
>> discomfort about changing the language just because some people's style
>> guides are broken...
> 
> I know the ARG has considered and discarded the idea, but that doesn't 
> mean I have to agree with them.
> 
> This is such a common stumbling block that it deserves the extra space 
> that having 2 distinct attributes ensures. The OP would never had posted 
> his question had both attributes been in the ARM.
> 
> Over all, I don't feel very strongly about this issue. I haven't needed 
> access to the underlying representation very often, even when it's 
> non-standard.
> 
> I'm more interested in areas of inconsistency. Why is exit the only 
> transfer of control with a when clause?
> 
> -- 
> Jeff Carter
> "Mr. President, we must not allow a mine-shaft gap!"
> Dr. Strangelove
> 33
> 
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