[boost] Re: [type_traits] request for decayed<T>::type

From: Thorsten Ottosen (nesotto_at_[hidden])
Date: 2005-01-03 13:49:58

"Howard Hinnant" <hinnant_at_[hidden]> wrote in message 
news:C94D8AC6-5C17-11D9-BA03-003065D18932_at_twcny.rr.com...
| On Dec 22, 2004, at 8:29 AM, Thorsten Ottosen wrote:

|  But with
| an eye towards the future, I think decayed will still eventually
| improve make_pair:
|
| template <class T, class U>
| inline
| pair<typename decayed<typename remove_reference<T>::type>::type,
|      typename decayed<typename remove_reference<U>::type>::type>
| make_pair(T&& t, U&& u)
| {
|     typedef typename decayed<typename remove_reference<T>::type>::type
| dT;
|     typedef typename decayed<typename remove_reference<U>::type>::type
| dU;
|     return pair<dT, dU>(std::forward<T>(t), std::forward<U>(u));
| }

why do you need remove_reference? If its needed, then maybe it should be
part of decayed<T>'s behavior.

-Thorsten