Start working on switching to language-rust as a generator, for fun.

generation/generation.cabal

@@ -2,7 +2,6 @@ cabal-version:       2.0
 -- Initial package description 'generation.cabal' generated by 'cabal
 -- init'.  For further documentation, see
 -- http://haskell.org/cabal/users-guide/
-
 name:                generation
 version:             0.1.0.0
 synopsis:            Generates the cryptonum Rust library, based on requirements.
@@ -20,10 +19,11 @@ executable generation
   main-is:             Main.hs
   other-modules:       Base, BinaryOps, Compare, Conversions, CryptoNum, File, Gen
   -- other-extensions:
-  build-depends:       base ^>=4.12.0.0,
+  build-depends:       base >= 4.12.0.0,
                        containers,
                        directory,
                        filepath,
+                       language-rust,
                        mtl
   hs-source-dirs:      src
   default-language:    Haskell2010