Re: Quick question regarding limited type return syntax

["Randy Brukardt" <randy@rrsoftware.com>]

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"J-P. Rosen" <rosen@adalog.fr> wrote in message 
news:lrfh8k$rpi$1@dont-email.me...
> Le 01/08/2014 04:12, Randy Brukardt a écrit :
>> t's annoying that we couldn't get this "explicit default-initialization"
>> syntax more widely used. I prefer to ensure that everything is properly
>> initialized, but sometimes the default value is good enough. It would be
>> nice to be able to specify that:
>>
>>       Obj : My_Type := <>;
>> or maybe
>>       Obj : My_Type := (<>);
>>
>> so that I could verify that every object is either initialized or 
>> explicitly
>> left default initialized.
>
> One of my clients has a rule that every user-defined type must provide
> an associated constant for the default value (and of course, AdaControl
> can enforce that rule). Then it is enough to say that every variable
> must be initialized.
>
> Seems close enough to what you want...

Not quite, since

    Default_Frobnitz : constant Frobnitz_Type;

is illegal. You could write:


    Junk_Frobnitz : Frobnitz_Type; -- To get this default-initialized.
    Default_Frobnitz : constant Frobnitz_Type := Junk_Frobnitz;

but that's awful.

                                         Randy.