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diff --git a/Omni/Bild/Example.hs b/Omni/Bild/Example.hs
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+{-# LANGUAGE QuasiQuotes #-}
+{-# LANGUAGE NoImplicitPrelude #-}
+
+-- : out example
+module Omni.Bild.Example where
+
+-- Both internal and external language dependencies are detected automatically
+-- by bild, for example here we import 'Crypto.Saltine' and list 'saltine' in
+-- 'Deps/Haskell.nix' to indicate that this is the package we want made
+-- available to bild, which will index the external package and record its
+-- modules for lookup.
+import Alpha
+import qualified Crypto.Saltine as Saltine
+import qualified Crypto.Saltine.Core.SecretBox as Saltine
+import qualified Omni.Cli as Cli
+import qualified Omni.Test as Test
+
+main :: IO ()
+main = Cli.main <| Cli.Plan help move test pure
+
+move :: Cli.Arguments -> IO ()
+move _ = putStrLn "Hello world"
+
+test :: Test.Tree
+test =
+  Test.group
+    "Omni.Bild.Example"
+    [ Test.unit "can use saltine package" <| do
+        Saltine.sodiumInit
+        k <- Saltine.newKey
+        n <- Saltine.newNonce
+        let msg = "foobar"
+        let encryptedMsg = Saltine.secretbox k n <| str "foobar"
+        Just msg Test.@=? str </ Saltine.secretboxOpen k n encryptedMsg
+    ]
+
+help :: Cli.Docopt
+help =
+  [Cli.docopt|
+example that tests basic haskell build
+
+Usage:
+  example
+  example test
+|]