Final by default?

[Steven Schveighoffer]

On Fri, 14 Mar 2014 10:00:23 -0400, bearophile <bearophileHUGS at lycos.com>  
wrote:

> Steven Schveighoffer:
>
>> I think it may be best to introduce a new array property:
>>
>> dest.slength = src.length; // same as dest.length = src.length, but  
>> follows D1 rules (slength = stomp length)
>>
>> If you use slicing (I'm assuming you do), then appending would have to  
>> become a function/member instead of ~=.
>>
>> I can help write those if you want.
>
> Eventually the D1 legacy will go away, so probably it's better to  
> introduce something that later can be removed safely. So instead of  
> "slength" it's better a name like "__slength", to allow its usage only  
> if you compile with the "-d" compile switch (that activates deprecated  
> features) and instead of a built-in array property as "length" it could  
> be better (if possible) to make it a function in the object module as  
> assumeSafeAppend.

I hope you understand that I was not recommending adding this to druntime  
or phobos. This is not a typical requirement.

Anyone starting with D2 code would use something other than straight  
array-slices to do this kind of work.

-Steve