Re: [Boost-users] variant with shrink

Subject: Re: [Boost-users] variant with shrink
From: Niitsuma Hirotaka (hirotaka.niitsuma_at_[hidden])
Date: 2013-03-02 14:05:51

>  float tends not to hold all ints.   double usually does, although I'm not
> sure it is guaranteed.

Such complicated type order can use by defining
  is_generalizable_to<T, BaseType>

plz  see section
   define is_generalizable_to :
in
https://github.com/niitsuma/variant_shrink