[OT] Apple introduces Swift as Objective-C sucessor

[Steven Schveighoffer via Digitalmars-d]

On Mon, 02 Jun 2014 18:03:43 -0400, Brad Anderson <eco at gnuk.net> wrote:

> On Monday, 2 June 2014 at 19:19:27 UTC, Paulo Pinto wrote:
>> Just thought it would be nice to give a heads up about Apple's plans to  
>> replace Objective-C in the long run.
>>
>> The language was presented today at the WWDC Keynote, looks like Ruby,  
>> uses ARC alongside the Objective-C runtime.
>>
>> http://live.arstechnica.com/apples-wwdc-2014-keynote/
>>
>> It also has a nice REPL experience, similar to Python's worksheets in  
>> IPython.
>>
>> --
>> Paulo
>
> I like how the lambdas can omit the parameters then reference them by  
> special $0, $1, etc (e.g., { $0 < $1 }). It reminds me of our string  
> lambdas ("a < b") in brevity without the hacky feel those had. As much  
> as I like the new lambda syntax I still miss how short string lambdas  
> could be.
>
> arr.sort!"a < b"();
> arr.sort!((a, b) => a < b);
>
> Maybe something like...
>
> arr.sort!( => $0 < $1 )
>
> ...could be supported. Not a huge improvement but I like it anyway.

I think just $0 < $1 could infer the fact that it is a lambda, as this is  
not currently valid syntax.

I would like that too.

-Steve