Define an export list in ExitCodes.

diff --git a/src/ExitCodes.hs b/src/ExitCodes.hs
index 47cd15c947289df80038259c572319d4ced7794d..bb3c5c7aa02f1a7771a6374b2258cffbcf72867c 100644 (file)
--- a/src/ExitCodes.hs
+++ b/src/ExitCodes.hs
@@ -1,5 +1,9 @@
 -- | All failure exit codes that the program can return.
-module ExitCodes
+--
+module ExitCodes (
+  exit_arg_parse_failed,
+  exit_arg_not_positive,
+  exit_arg_out_of_bounds )
 where
 
 -- | Indicates that the command-line arguments could not be parsed.