Re: [boost] Is there any interest in a casting library where you don't need to specify a type of receiver?

On Nov 9, 2007 2:06 AM, Sergey Shandar <sergey@comrades.id.au> wrote:

[...] 3. I found this one today:

template<class T> operator T &() const throw(typename ::boost::disable_if< ::boost::is_same<T, MyClass const> >::type *)

Wow! Does this really work? You can really apply SFINAE to conversion opreators by (ab)using the exception specification? Is this only a gcc thing or is it "by the standard"? If the latter, boost::enable_if documents might need to be updated :) -- gpd