Re: [Boost-users] enable_if on operator type()

On Sun, Nov 23, 2008 at 16:30, Joel Falcou <joel.falcou@u-psud.fr> wrote:

How can I set up SFINAE using enable_if on method like

struct foo { template<class T> operator T() { return T(1); } };

I want the operator T() to be there only if T is arithemtic for example.

"There does not seem to be a way to specify an enabler for a conversion operator. Converting constructors, however, can have enablers as extra default arguments. " ~ http://www.boost.org/doc/libs/1_37_0/libs/utility/enable_if.html