Re: [boost] function convert() -- do you find it useful?

Subject: Re: [boost] function convert() -- do you find it useful?
From: Vicente J. Botet Escriba (vicente.botet_at_[hidden])
Date: 2014-06-29 04:15:00

Le 28/06/14 23:34, Andrey Semashev a écrit :
> On Sun, Jun 29, 2014 at 12:58 AM, Andrzej Krzemienski
> <akrzemi1_at_[hidden]> wrote:
>> Hi,
>> This is the second time that I have found the following function useful
>> when playing with variants of  Optional library:
>>
>> template <typename T, typename U>
>> typename std::enable_if<std::is_convertible<U, T>::value, T>::type
>> convert(U && u)
>> { return std::forward<U>(u); }
>>
>> It performs an implicit conversion from U to T, but you can call it
>> explicitly.
> Isn't it what implicit_cast does? See boost/implicit_cast.hpp.
>
>
Andrey, is implicit_cast SFINAE friendly?

Vicente