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-rw-r--r--paludis/util/tribool-fwd.hh4
1 files changed, 4 insertions, 0 deletions
diff --git a/paludis/util/tribool-fwd.hh b/paludis/util/tribool-fwd.hh
index b536c9087..ae4cb67d6 100644
--- a/paludis/util/tribool-fwd.hh
+++ b/paludis/util/tribool-fwd.hh
@@ -22,6 +22,7 @@
#include <paludis/util/attributes.hh>
#include <paludis/util/no_type.hh>
+#include <iosfwd>
namespace paludis
{
@@ -30,6 +31,9 @@ namespace paludis
typedef NoType<0u> * (* TriboolIndeterminateValueType) (const NoType<0u> * const);
NoType<0u> * indeterminate(const NoType<0u> * const) PALUDIS_VISIBLE;
+
+ std::ostream & operator<< (std::ostream &, const Tribool) PALUDIS_VISIBLE;
+ std::istream & operator>> (std::istream &, Tribool &) PALUDIS_VISIBLE;
}
#endif