Re: [boost] mcs::units informal review request

From: Matthias Schabel (boost_at_[hidden])
Date: 2007-01-15 23:44:52

> Not impossible, just add another layer of indirection:
>
> template<typename T1,typename T2>
> class quantity : public quantity_impl<
>    typename mpl::if_<
>       is_unit<T1>,T2,T1
>> ::type,
>    typename mpl::if_<
>       is_unit<T1>,T1,T2
>> ::type
>> {};

This is intriguing, but I'm not sure how one would enable a default  
template argument on just the value_type... Any ideas?

Matthias