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We can no longer use is_base_and_derived with incomplete types, not that it worked well before

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[SVN r39247]
This commit is contained in:
Douglas Gregor
2007-09-13 19:58:30 +00:00
parent 7689b5b9d0
commit 276d786ed9
1 changed files with 1 additions and 4 deletions
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5
include/boost/parameter/aux_/arg_list.hpp
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@@ -11,6 +11,7 @@
#include <boost/parameter/aux_/default.hpp>
#include <boost/parameter/aux_/parameter_requirements.hpp>
#include <boost/parameter/aux_/yesno.hpp>
#include <boost/parameter/aux_/maybe.hpp>
#include <boost/parameter/config.hpp>
#include <boost/mpl/apply.hpp>
@@ -158,10 +159,6 @@ no_tag operator*(empty_arg_list, KW*);
template <class KW, class T>
struct tagged_argument;
// Forward declaration for arg_list::operator[], with
// IS_XXX helper
struct maybe_base;
template <class T>
struct is_maybe
: is_base_and_derived<maybe_base, T>