add operators

newt/tutorial.newt

@@ -0,0 +1,15 @@
+-- Files begin with a module declaration, modules not implemented yet
+module Tutorial
+
+
+-- import Prelude  not implemented yet
+
+-- declare a primitive type
+ptype Int
+
+-- declare a more complex primitive type
+ptype Array : U -> U
+
+-- declare a primitive function
+pfunc alength : {a : U} -> Array a -> Int := "(x) => x.length"
+