What is the correct use of auto?

[Robert Fraser]

BCS wrote:
> Reply to Robert,
> 
>> Unknown W. Brackets wrote:
>>
>>> I completely disagree.  Especially when your dogfood is good, you
>>> should share it and not horde it for yourself.
>>>
>>> Teaching newbies to program differently than you think is best seems
>>> wrong to me.
>>>
>>> -[Unknown]
>>>
>> I was thinking of "newbies to the library" instead of "newbies to the
>> language". It's good practice in the language, but I remember trying
>> to use a Mango servlet and spending an hour looking up what types were
>> returned by functions in examples so I could figure out how to extend
>> & change the example code.
>>
> 
> quick, ugly (and slightly profain).
> 
> template WT_TypeIsThis(T)
> {
>   pragma(msg,T.stringof)
> }
> 
> use like this:
> 
> WT_TypeIsThis! (typeof(someFnc());  // man I like D's template 
> Syntax!!!!!!!

Indeed that works. These days, I'd just load it up in Descent & hover 
over it to find out :-). But back when I was first learning D, I didn't 
know the template method and IDEs weren't mature enough for that yet.