I already did a lot of things

bf-optimize.cabal

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+cabal-version: 2.2
+
+-- This file has been generated from package.yaml by hpack version 0.38.0.
+--
+-- see: https://github.com/sol/hpack
+
+name:           bf-optimize
+version:        0.1.0.0
+description:    Please see the README on GitHub at <https://github.com/githubuser/bf-optimize#readme>
+homepage:       https://github.com/githubuser/bf-optimize#readme
+bug-reports:    https://github.com/githubuser/bf-optimize/issues
+author:         VegOwOtenks
+maintainer:     vegowotenks@jossco.de
+copyright:      AGPL3
+license:        BSD-3-Clause
+license-file:   LICENSE
+build-type:     Simple
+extra-source-files:
+    README.md
+    CHANGELOG.md
+
+source-repository head
+  type: git
+  location: https://github.com/githubuser/bf-optimize
+
+library
+  exposed-modules:
+      Language.Brainfuck
+      Language.Brainfuck.Instruction
+      Language.Brainfuck.Instruction.Compressed
+      Language.Brainfuck.Instruction.Extended
+  other-modules:
+      Paths_bf_optimize
+  autogen-modules:
+      Paths_bf_optimize
+  hs-source-dirs:
+      src
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints
+  build-depends:
+      base >=4.7 && <5
+    , text
+    , vector
+  default-language: Haskell2010
+
+executable bf-optimize-exe
+  main-is: Main.hs
+  other-modules:
+      Paths_bf_optimize
+  autogen-modules:
+      Paths_bf_optimize
+  hs-source-dirs:
+      app
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , bf-optimize
+    , text
+    , vector
+  default-language: Haskell2010
+
+test-suite bf-optimize-test
+  type: exitcode-stdio-1.0
+  main-is: Spec.hs
+  other-modules:
+      Paths_bf_optimize
+  autogen-modules:
+      Paths_bf_optimize
+  hs-source-dirs:
+      test
+  ghc-options: -Wall -Wcompat -Widentities -Wincomplete-record-updates -Wincomplete-uni-patterns -Wmissing-export-lists -Wmissing-home-modules -Wpartial-fields -Wredundant-constraints -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+      base >=4.7 && <5
+    , bf-optimize
+    , text
+    , vector
+  default-language: Haskell2010