DIP69 - Implement scope for escape proof references

[Shammah Chancellor via Digitalmars-d]

On 2014-12-04 10:00:28 +0000, Walter Bright said:

> On 12/4/2014 1:51 AM, eles wrote:
>> On Thursday, 4 December 2014 at 09:25:11 UTC, Walter Bright wrote:
>>> http://wiki.dlang.org/DIP69
>>> 
>>> Despite its length, this is a fairly simple proposal. It adds the missing
>>> semantics for the 'scope' storage class in order to make it possible to pass a
>>> reference to a function without it being possible for it to escape.
>> 
>> Making it implicit and requiring an explicit "escape" for un-scoped variables?
>> 
> 
> Was afraid that would break too much code.

No, this is super important.  Break it all!  This kind of change will 
significantly increase the performance of D code by almost eliminating 
GC thrashing.

Having to type scope EVERYWHERE will make it unused and therefore 
unusable in other people's libraries.

-Shammah.