On Thu, 15 Jan 2015 00:24:07 +0000
via Digitalmars-d <digitalmars-d@puremagic.com> wrote:

> On Thursday, 15 January 2015 at 00:13:38 UTC, MattCoder wrote:
> > So could you please tell me a good use case to for using "return type deduction"?
> 
> Templates.
and returning voldemort types.

On Thursday, 15 January 2015 at 00:24:09 UTC, Ola Fosheim Grøstad wrote:
> On Thursday, 15 January 2015 at 00:13:38 UTC, MattCoder wrote:
>> So could you please tell me a good use case to for using "return
>> type deduction"?
>
> Templates.

Thanks! - In fact after posting I took a look and found this:

http://stackoverflow.com/questions/15737223/when-should-i-use-c14-automatic-return-type-deduction

Matheus.

On Thursday, 15 January 2015 at 00:05:32 UTC, Xinok wrote:
> I played with it a bit and it seems to deduce a common type from all the return statements, which would be more in the style of D anyways (take type deduction for arrays).

Yes, this has changed some time ago, the specs are already updated:
http://dlang.org/function.html#auto-functions

Given that the compiler already uses the common type, maybe it should just disregard recursive uses during inference if there is more than one return.