initialized a cabal enviornment

LICENSE

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+Copyright (c) 2021 depsterr
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.

Setup.hs

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+import Distribution.Simple
+main = defaultMain

app/Main.hs

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+module Main where
+
+import qualified MyLib (someFunc)
+
+main :: IO ()
+main = do
+  putStrLn "Hello, Haskell!"
+  MyLib.someFunc

lib/MyLib.hs

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+module MyLib (someFunc) where
+
+someFunc :: IO ()
+someFunc = putStrLn "someFunc"

sexprml.cabal

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+cabal-version:       2.4
+-- Initial package description 'sexprml.cabal' generated by 'cabal init'.
+-- For further documentation, see http://haskell.org/cabal/users-guide/
+
+name:                sexprml
+version:             0.1.0.0
+synopsis:            toy programming language
+-- description:
+homepage:            https://githug.xyz/depsterr/sexprml
+-- bug-reports:
+license:             ISC
+license-file:        LICENSE
+author:              depsterr
+maintainer:          depsterr@protonmail.com
+-- copyright:
+category:            Programming Language
+extra-source-files:  CHANGELOG.md, readme.md
+
+library
+  exposed-modules:     MyLib
+  -- other-modules:
+  -- other-extensions:
+  build-depends:       base ^>=4.14.1.0
+  hs-source-dirs:      lib
+  default-language:    Haskell2010
+
+executable sexprml
+  main-is:             Main.hs
+  -- other-modules:
+  -- other-extensions:
+  build-depends:       base ^>=4.14.1.0, sexprml
+  hs-source-dirs:      app
+  default-language:    Haskell2010