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silences msvc warning when used with infinite sequences

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[SVN r38211]
This commit is contained in:
Tobias Schwinger
2007-07-13 21:27:35 +00:00
parent 9df373af5f
commit b4fe17385c
1 changed files with 3 additions and 3 deletions
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6
include/boost/fusion/sequence/view/zip_view/zip_view.hpp
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@ -54,15 +54,15 @@ namespace boost { namespace fusion {
template<typename Seq>
struct result<seq_ref_size(Seq)>
{
static int const int_max = static_cast<int>(
static_cast<unsigned>(~0) >> 1);
static int const high_int = static_cast<int>(
(static_cast<unsigned>(~0) >> 1) - 1);
typedef typename remove_reference<Seq>::type SeqClass;
typedef typename mpl::eval_if<
traits::is_forward<SeqClass>,
result_of::size<SeqClass>,
mpl::int_<int_max> >::type type;
mpl::int_<high_int> >::type type;
};
};