1 files changed, 5 insertions, 0 deletions
diff --git a/src/io/fwd.hpp b/src/io/fwd.hpp
index 5334fbd..3b9452b 100644
--- a/src/io/fwd.hpp
+++ b/src/io/fwd.hpp
@@ -36,5 +36,10 @@ namespace io
     class AppendFile;
     class LineReader;
     class LineCharReader;
+    class Line;
+    class LineChar;
+    class LineSpan;
+    template<class T>
+    class Spanned;
 } // namespace io
 } // namespace tmwa