Some more template syntax sugar

[Derek Parnell]

On Tue, 29 Aug 2006 01:22:19 -0700, Walter Bright wrote:

> Reiner Pope wrote:
>> I think function templates still require too much in the way of type 
>> annotations. Take the canonical example, sqr:
>> 
>> T sqr(T) (T x)
>> {
>>     return x*x;
>> }
>> 
>> In this example, we have to declare T three times, even though I think 
>> this could be inferred. I propose an alternative syntax:
>> 
>> auto sqr(x)
>> {
>>     return x*x;
>> }
>> 
>> which IMHO looks very elegant.
> 
> I know. The problem is that it is indistinguishable from:
> 
> 	typedef int x;
> 	auto sqr(x);
> 
> i.e. when x is a typedef and no parameter name is given, or when x is a 
> parameter name and no type is given.

Think outside the actual example and see if the concept of doing a
simplification can be achieved. I'm sure you can come up with a better
syntax for such an obvious improvement.

-- 
Derek
(skype: derek.j.parnell)
Melbourne, Australia
"Down with mediocrity!"
30/08/2006 9:09:51 AM