[swift-evolution] Proposal: An assignment operator := that ensures nil before assignment.

[Amir Michail]

> On Feb 27, 2016, at 10:39 AM, Stephen Celis <stephen.celis at gmail.com> wrote:
> 
>> On Feb 27, 2016, at 10:38 AM, Amir Michail <a.michail at me.com> wrote:
>> 
>> I think this := would be used so often that it should be part of the language/standard library.
> 
> Would you please justify this? Would you please answer the questions from my reply?

See: http://research.microsoft.com/apps/pubs/default.aspx?id=70290

> 
> Stephen