result_of and polymorphic function obj compatibility

[SVN r37962]
This commit is contained in:
Dan Marsden
2007-06-11 07:01:05 +00:00
parent 414b87dbdb
commit 0fcbc5b467
42 changed files with 477 additions and 410 deletions

View File

@ -37,7 +37,11 @@ template <class Base = boost::blank, class RemoveNullary = mpl::false_>
struct test_func
: Base
{
template <class Seq> struct result
template<typename Params>
struct result;
template <typename B, typename RN, class Seq>
struct result<test_func<B, RN>(Seq)>
: mpl::if_< mpl::and_< fusion::result_of::empty<Seq>, RemoveNullary >,
boost::blank, mpl::identity<long> >::type
{ };
@ -60,16 +64,14 @@ struct test_func
struct fold_op
{
typedef long result_type;
template <typename T>
long operator()(T & elem, long value) const
{
elem += sizeof(T);
return value + elem;
}
template <typename T0, typename T1> struct result
: mpl::identity<long>
{ };
};
};