1 files changed, 5 insertions, 0 deletions
diff --git a/lib/fwdlib.hpp b/lib/fwdlib.hpp
index 5c52f65..bb5084c 100644
--- a/lib/fwdlib.hpp
+++ b/lib/fwdlib.hpp
@@ -35,6 +35,11 @@ static void fwd_some(auto option, auto ok, auto fail)
 		return fail();
 }
 
+static void fwd_copy(auto n, auto next)
+{
+	return next(n, n);
+}
+
 static void fwd_insert(auto container, auto elem, auto next)
 {
 	container.insert(std::move(elem));