Beginnings of loops

demo/buildup.dee

@@ -8,7 +8,7 @@ foo <- ->
     bar()
     baz()
 # functions with block statements
-oo <- x -> y -> x * y + 7 ## Multiple argument functions
+foo <- x -> y -> x * y + 7 ## Multiple argument functions
 if test?()
     do-something()
 elif other-test?()
@@ -23,3 +23,8 @@ else
     if second-test?()
         do-a-real-bad-thing()
 ## Nested blocks
+
+i <- 1
+loop until i > 10
+     print(i)
+     i <- 1