Solved 30+ WARNINGS!! 😎

src/Compiler.hs

@@ -1,25 +1,26 @@
 module Compiler (compile) where
 
-import           Grammar.ErrM         (Err)
-import           System.Exit          (exitFailure, exitSuccess)
-import           System.IO            (BufferMode (NoBuffering), hClose, hFlush,
-                                       hGetContents, hPutStr, hPutStrLn,
-                                       hSetBuffering, stderr)
-import           System.Process.Extra (CreateProcess (..),
-                                       StdStream (CreatePipe), createProcess,
-                                       proc, readCreateProcess, shell,
-                                       spawnCommand, waitForProcess)
+import System.Process.Extra (
+    readCreateProcess,
+    shell,
+ )
 
---spawnWait s = spawnCommand s >>= \s >>= waitForProcess
+-- spawnWait s = spawnCommand s >>= \s >>= waitForProcess
 
 optimize :: String -> IO String
 optimize = readCreateProcess (shell "opt --O3 -S")
 
 compileClang :: String -> IO String
-compileClang = readCreateProcess . shell
-    $ unwords ["clang++"--, "-Lsrc/GC/lib/", "-l:libgcoll.a"
-              , "-fno-exceptions -x", "ir" ,"-o" ,"output/hello_world"
-              , "-"]
+compileClang =
+    readCreateProcess . shell $
+        unwords
+            [ "clang++" -- , "-Lsrc/GC/lib/", "-l:libgcoll.a"
+            , "-fno-exceptions -x"
+            , "ir"
+            , "-o"
+            , "output/hello_world"
+            , "-"
+            ]
 
 compile :: String -> IO String
 compile s = optimize s >>= compileClang