1 files changed, 6 insertions, 0 deletions

diff --git a/ddl/lib/java/RT/Maybe.java b/ddl/lib/java/RT/Maybe.java
new file mode 100644
index 0000000..7e416a7
--- /dev/null
+++ b/ddl/lib/java/RT/Maybe.java
@@ -0,0 +1,6 @@
+package RT;
+
+public class Maybe<T> {
+  public Boolean valid;
+  public T data;
+}