rewrite Haskell parts in Scala

[wix.git] / src / TreeToString.java

diff --git a/src/TreeToString.java b/src/TreeToString.java
new file mode 100644 (file)
index 0000000..ad9235a
--- /dev/null
+++ b/src/TreeToString.java
@@ -0,0 +1,5 @@
+import edu.berkeley.sbp.*;
+
+public interface TreeToString {
+    public abstract String run(Tree<String> t);
+}
\ No newline at end of file