DMD 0.177 release

[Bill Baxter]

Walter Bright wrote:
> Stewart Gordon wrote:
>> C'mon, what's your use case for being allowed to return something 
>> other than the new value of a from the expression (a = b)?
> 
> I don't have one. But I prefer to impose as few restrictions as 
> possible, as people keep finding unanticipated cool new things to do. So 
> I'd argue that there should be compelling case put forward to impose 
> such a restriction, rather than wondering what one can do with the 
> flexibility.

For one, it might be useful to return some sort of proxy for 'a'.

--bb