Re: [boost] enable_if : how to make it work in the case of templated method of a template base inherited several times

Subject: Re: [boost] enable_if : how to make it work in the case of templated method of a template base inherited several times
From: Matt Calabrese (rivorus_at_[hidden])
Date: 2011-10-20 10:50:07

On Thu, Oct 20, 2011 at 10:32 AM, nico <nicolas.guillot_at_[hidden]> wrote:
>
> template <typename T>
> class S
> {
> public:
>
>    template <typename U>
>    void f(U p, typename enable_if<is_same<T, U> >::type*dummy = 0)
>

First, why are you using enable_if here at all? Is there something wrong
with:
void f(T p )

> Any explanation or "workaround" ?
>

You need using declarations:

class A : public S<int>, public S<double>
{
public:
  using S<int>::f;
  using S<double>::f;
};

-- 
-Matt Calabrese