Re: does boost::variant support 128 bit integer?

From: Rainer Deyke (rdeyke_at_[hidden])
Date: 2021-04-09 05:14:22

On 08.04.21 23:45, Edward Diener via Boost-users wrote:
> If you just have:
> 
> #include <boost/variant.hpp>
> #include <string>
> 
> boost::variant<__int128, char, std::string> v;
> v = 56;
> 
> This produces an error:
> 
> ..\..\../boost/variant/variant.hpp:1578:38: error: call of overloaded 
> 'initialize(void*, boost::move_detail::remove_reference<int&>::type)' is 
> ambiguous

That's because it /is/ ambiguous.  The compiler does not know if you 
want to set the variant to a '__int128' or to a 'char'.  You get the 
same error message if you substitute 'long' for '__int128'.

-- 
Rainer Deyke (rainerd_at_[hidden])