1 files changed, 14 insertions, 0 deletions
diff --git a/doc/tutorial/resource-food/Food.gf b/doc/tutorial/resource-food/Food.gf
new file mode 100644
index 000000000..66a23e4a9
--- /dev/null
+++ b/doc/tutorial/resource-food/Food.gf
@@ -0,0 +1,14 @@
+abstract Food = {
+
+  cat
+    S ; Item ; Kind ; Quality ;
+
+  fun
+    Is : Item -> Quality -> S ;
+    This, That, All : Kind -> Item ;
+    QKind : Quality -> Kind -> Kind ;
+    Wine, Cheese, Fish, Beer, Pizza : Kind ;
+    Very : Quality -> Quality ;
+    Fresh, Warm, Italian, Expensive, Delicious, Boring : Quality ;
+
+}