any news on const/invariant?

[0ffh]

Bill Baxter wrote:
> Walter Bright wrote:
> 
>>> How would I specify that I have a buffer of bytes and I can't change its
>>> location but I can change its contents?
>>
>> You can't. A good question would be what would be the purpose of such?
> 
> I pass you a buffer that I've carefully pre-allocated for you to fill 
> in.  You shouldn't reallocate it but you should modify its contents.
> 
> Having the function signature say "takes const-pointer-to-mutable-data" 
> makes it clear that the function won't be allocating the buffer for you 
> or reallocating it out from under you.
> [...]
> --bb (who was just in the process of writing such a modify-this-buffer 
> function in D1, sans const)

Okay, that's a feature.
But wouldn't an assertion do the same for you, just a bit more wordy?

regards, frank