accept @pure @nothrow @return attributes

[Joseph Rushton Wakeling via Digitalmars-d]

On 29/01/15 00:06, Dicebot via Digitalmars-d wrote:
> I haven't said it is a breaking change on its own - but that doesn't mean it is
> any considerably better migration-wise.

Yea, you're right, this isn't about whether the feature is good or not 
(personally, I find Don's case for it persuasive) -- it's about having a 
well-signposted procedure for changing the language.

>> BTW what is @return meant to achieve?  I realize I'm not familiar with this
>> attribute.
>
> http://wiki.dlang.org/DIP25

Oh, of course.  Though it feels a bit weird, the possibility to write,

     @safe ref int identity(@return ref int x) { return x; }