- 320 名前：デフォルトの名無しさん [2009/11/10(火) 10:06:18 ]
- template<class F>
struct is_lambda_impl
{
static const bool value = false;
};
template<class F, class A0>
struct is_lambda_impl<boost::lambda::lambda_functor<F>(A0)>
: public boost::lambda::lambda_functor<F>::template sig<boost::lambda::tuple<boost::lambda::lambda_functor<F>, A0> >
{
static const bool value = true;
};
template<class F, class A0, class A1>
struct is_lambda_impl<boost::lambda::lambda_functor<F> (A0, A1)>
: public boost::lambda::lambda_functor<F>::template sig<boost::lambda::tuple<boost::lambda::lambda_functor<F>, A0, A1> >
{
static const bool value = true;
};
template<class F>
bool is_lambda_(F)
{
return is_lambda_impl<F(????)>::value;
}
int main()
{
std::cout << is_lambda_((boost::lambda::_1 * 2)) << "\n";
std::cout << is_lambda_(std::plus<int>()) << "\n";
}
|
 |
