proposed syntax for tuple: t{} and TypeTuple: T{} (cf precedent of q{...})

[ZombineDev via Digitalmars-d]

On Tuesday, 5 April 2016 at 16:34:49 UTC, jmh530 wrote:
> On Tuesday, 5 April 2016 at 15:29:06 UTC, ZombineDev wrote:
>> Action action = {}; // error: `{}` is an empty tuple, can't be 
>> assigned to delegates
>> auto t = {}; // deduced as an empty tuple.
>> Also, the non-empty {} syntax can't be mistaken for a function 
>> literal because non-empty function literals always have at 
>> least one statement that ends with a semicolon.
>
> Is making this
> Action action = {};
> an error a breaking change? It currently compiles without error 
> and I can get the typeof(action) as void delegate(), though I 
> can't really do much of anything with it. Similarly for empty 
> function literals.

Yes, I think it would be a breaking change, if my proposal is 
accepted.