[Boost-users] Re: about enable_if for member functions

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-04-04 16:39:33

Yutaka Leon Suematsu wrote:
> Dear booster,
>
> I have a question related to enable_if. I would like to enable or
> disable some member functions from a template class, but enable_if is
> -not enable- to do it :-)

The usual way to do this, since enable_if is not applicable, is to implement the
function in an optional base class, and use mpl::if or eval_if to derive from
the base only if you want the function enabled.

Jonathan