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-rw-r--r--apps/factorial4.subx5
1 files changed, 5 insertions, 0 deletions
diff --git a/apps/factorial4.subx b/apps/factorial4.subx
index 202a6592..a7ea6d20 100644
--- a/apps/factorial4.subx
+++ b/apps/factorial4.subx
@@ -1,5 +1,10 @@
 ## compute the factorial of 5, and return the result in the exit code
 #
+# Uses syntax sugar for:
+#   rm32 operands
+#   function calls
+#   control flow
+#
 # To run:
 #   $ ./ntranslate init.linux 0*.subx apps/factorial.subx -o apps/factorial
 #   $ ./subx run apps/factorial