Why is &array[0] @safer than array.ptr?

[Dukc via Digitalmars-d-learn]

On Wednesday, 25 January 2017 at 22:59:55 UTC, Jonathan M Davis 
wrote:
> So, yes, if all you're planning to do is look at the pointer to 
> the first element in the array, then &arr[0] is safer, but odds 
> are quite low that that's actually what you're going to do, and 
> in all of the other cases, you might as well just use .ptr. So, 
> telling folks to go use &arr[0] instead of .ptr doesn't seem 
> very helpful to me.


Pehaps it should say something like: arr.ptr is deprecated in 
@safe code. Use &arr[0] for checked access or remove the @safe 
attribute.

That would make it clear that .ptr is not an issue, only .ptr in 
@safe.