Re: [boost] [type_traits] Tests for implicit convertibility?

Subject: Re: [boost] [type_traits] Tests for implicit convertibility?
From: John Maddock (jz.maddock_at_[hidden])
Date: 2016-01-22 07:09:28

>> So... have we backed ourselves into a corner or do we still have a way
>> to test for implicit-constructibilty that doesn't also require
>> copy-constructibility on the target type?
>
> By using existing traits (no, I don't think we need a new one)? How 
> about `is_constructible<int, Int&&>` or `is_constructible<int, Int 
> const&>`? Whether that's viable for you depends on your particular use 
> case...
>

Thanks, that seems to get it!  John.