src/Main.hs: make two import lists explicit.

diff --git a/src/Main.hs b/src/Main.hs
index ae8c5e39c703491449d01bc95058f2cb67b61c80..ab37ca558f009bd30d5ac610e117f9282836442f 100644 (file)
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -8,10 +8,13 @@ import qualified Data.Array.Repa as R
 import Data.Maybe ( fromJust )
 import GHC.Conc ( getNumProcessors, setNumCapabilities )
 import System.IO ( hPutStrLn, stderr )
-import System.Exit ( exitSuccess, exitWith, ExitCode(..) )
+import System.Exit (
+  ExitCode( ExitFailure ),
+  exitSuccess,
+  exitWith )
 
 import CommandLine ( Args(..), apply_args )
-import ExitCodes
+import ExitCodes ( exit_arg_not_positive, exit_arg_out_of_bounds )
 import Grid ( zoom )
 import Volumetric (
   bracket_array,