Re: Ideas for Ada 200X

[Vinzent Hoefler <ada.rocks@jlfencey.com>]

Bill Findlay wrote:

>On 16/6/03 18:16, in article hYmHa.6881$Hb.124073@news4.e.nsc.no, "Tarjei T.
>Jensen" <tarjei@online.no> wrote:
>
>> Richard Riehle wrote:
>>> If we adopt this syntax, in Ada, we will need to include some rules in the
>>> language to enable the compiler to discern a clear  difference between
>>> the += and :=.   That is, in Ada's current model, we want to compiler to
>>> be able to tell us when a construct is a mistake or warn us when it will
>>> potentially create an incorrect execution.
>> 
>> How would you think about
>> i := () +1;
>
>I would think: this looks very error-prone.
>I think any syntax for an "idem" feature should not easily result from a
>simple typographical error in writing a correct expression.

I'd say something similar to the the already proposed (or at least
mentioned) "<>" would be good enough for me.

Or perhaps we should think about a longer one to discourage people to
use it everywhere in their code. ;)


Vinzent.

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