diff --git a/.github/workflows/hlint.yaml b/.github/workflows/hlint.yaml
index 2508ee3..aa85604 100644
--- a/.github/workflows/hlint.yaml
+++ b/.github/workflows/hlint.yaml
@@ -6,3 +6,5 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: tfausak/hlint-action@v1
+        with:
+          config: config/hlint.yaml
diff --git a/.gitignore b/.gitignore
index 064ab2b..cdd1392 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1,5 @@
-/.cabal-sandbox/
-/.ghc.environment*
 /.stack-work/
 /cabal.project.freeze
 /cabal.project.local*
-/cabal.sandbox.config
 /dist-newstyle/
-/dist/
 /stack.yaml.lock
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..c089f68
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,5 @@
+{
+  "recommendations": [
+    "taylorfausak.purple-yolk"
+  ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
index e7cfef6..8b1060f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,13 +1,6 @@
 {
   "purple-yolk.brittany.command": "brittany --config-file config/brittany.yaml --write-mode inplace",
-  "purple-yolk.ghci.command": "cabal repl --ghc-options -Wwarn --repl-options -ddump-json",
-  "purple-yolk.hlint.command": "hlint --json --no-exit-code",
-  "purple-yolk.hlint.onSave": true,
-  "editor.rulers": [
-    79
-  ],
-  "editor.tabSize": 2,
-  "files.trimTrailingWhitespace": true,
-  "files.insertFinalNewline": true,
-  "files.trimFinalNewlines": true
+  "purple-yolk.ghci.command": "cabal repl --repl-options -ddump-json",
+  "purple-yolk.hlint.command": "hlint --hint config/hlint.yaml --json --no-exit-code",
+  "purple-yolk.hlint.onSave": true
 }
diff --git a/LICENSE.markdown b/LICENSE.markdown
new file mode 100644
index 0000000..6b302e2
--- /dev/null
+++ b/LICENSE.markdown
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Taylor Fausak
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/LICENSE.txt b/LICENSE.txt
deleted file mode 100644
index f32ab92..0000000
--- a/LICENSE.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-Copyright 2021 Taylor Fausak
-
-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.
diff --git a/config/brittany.yaml b/config/brittany.yaml
index b85e4ad..5cd9d88 100644
--- a/config/brittany.yaml
+++ b/config/brittany.yaml
@@ -1,4 +1,4 @@
 conf_layout:
-  lconfig_columnAlignMode:
-    tag: ColumnAlignModeDisabled
+  lconfig_cols: 79
+  lconfig_columnAlignMode: { tag: ColumnAlignModeDisabled }
   lconfig_indentPolicy: IndentPolicyLeft
diff --git a/config/hlint.yaml b/config/hlint.yaml
new file mode 100644
index 0000000..abe5f23
--- /dev/null
+++ b/config/hlint.yaml
@@ -0,0 +1,4 @@
+- group: { name: dollar, enabled: true }
+- group: { name: generalise, enabled: true }
+- ignore: { name: Use lambda-case }
+- ignore: { name: Use tuple-section }
diff --git a/src/ghc-8.10/Witch/Lift.hs b/source/ghc-8.10/Witch/Lift.hs
similarity index 100%
rename from src/ghc-8.10/Witch/Lift.hs
rename to source/ghc-8.10/Witch/Lift.hs
diff --git a/src/ghc-8.8/Witch/Lift.hs b/source/ghc-8.8/Witch/Lift.hs
similarity index 100%
rename from src/ghc-8.8/Witch/Lift.hs
rename to source/ghc-8.8/Witch/Lift.hs
diff --git a/src/ghc-9.0/Witch/Lift.hs b/source/ghc-9.0/Witch/Lift.hs
similarity index 100%
rename from src/ghc-9.0/Witch/Lift.hs
rename to source/ghc-9.0/Witch/Lift.hs
diff --git a/src/lib/Witch.hs b/source/library/Witch.hs
similarity index 100%
rename from src/lib/Witch.hs
rename to source/library/Witch.hs
diff --git a/src/lib/Witch/From.hs b/source/library/Witch/From.hs
similarity index 100%
rename from src/lib/Witch/From.hs
rename to source/library/Witch/From.hs
diff --git a/src/lib/Witch/Instances.hs b/source/library/Witch/Instances.hs
similarity index 99%
rename from src/lib/Witch/Instances.hs
rename to source/library/Witch/Instances.hs
index 9fe74f9..dd00f8b 100644
--- a/src/lib/Witch/Instances.hs
+++ b/source/library/Witch/Instances.hs
@@ -634,8 +634,9 @@ instance TryFrom.TryFrom Word.Word64 Float where
 -- | Uses 'fromIntegral' when the input is less than or equal to
 -- 9,007,199,254,740,991.
 instance TryFrom.TryFrom Word.Word64 Double where
-  tryFrom = Utility.eitherTryFrom $ \s ->
-    if s <= maxDouble then Right $ fromIntegral s else Left Exception.Overflow
+  tryFrom = Utility.eitherTryFrom $ \s -> if s <= maxDouble
+    then Right $ fromIntegral s
+    else Left Exception.Overflow
 
 -- Word
 
@@ -750,8 +751,9 @@ instance TryFrom.TryFrom Natural.Natural Float where
 -- | Uses 'fromIntegral' when the input is less than or equal to
 -- 9,007,199,254,740,991.
 instance TryFrom.TryFrom Natural.Natural Double where
-  tryFrom = Utility.eitherTryFrom $ \s ->
-    if s <= maxDouble then Right $ fromIntegral s else Left Exception.Overflow
+  tryFrom = Utility.eitherTryFrom $ \s -> if s <= maxDouble
+    then Right $ fromIntegral s
+    else Left Exception.Overflow
 
 -- Float
 
diff --git a/src/lib/Witch/TryFrom.hs b/source/library/Witch/TryFrom.hs
similarity index 100%
rename from src/lib/Witch/TryFrom.hs
rename to source/library/Witch/TryFrom.hs
diff --git a/src/lib/Witch/TryFromException.hs b/source/library/Witch/TryFromException.hs
similarity index 100%
rename from src/lib/Witch/TryFromException.hs
rename to source/library/Witch/TryFromException.hs
diff --git a/src/lib/Witch/Utility.hs b/source/library/Witch/Utility.hs
similarity index 100%
rename from src/lib/Witch/Utility.hs
rename to source/library/Witch/Utility.hs
diff --git a/src/test/Main.hs b/source/test-suite/Main.hs
similarity index 95%
rename from src/test/Main.hs
rename to source/test-suite/Main.hs
index 5c23f9c..e3aab70 100644
--- a/src/test/Main.hs
+++ b/source/test-suite/Main.hs
@@ -35,7 +35,8 @@ main :: IO ()
 main =
   runTestTTAndExit
     $ "Witch"
-    ~: [ "From" ~: ["from" ~: [Witch.from (1 :: Int.Int8) ~?= (1 :: Int.Int16)]]
+    ~: [ "From"
+         ~: ["from" ~: [Witch.from (1 :: Int.Int8) ~?= (1 :: Int.Int16)]]
        , "TryFrom"
          ~: [ "tryFrom"
                 ~: let f = hush . Witch.tryFrom @Int.Int16 @Int.Int8
@@ -170,16 +171,20 @@ main =
                  in [f 0 ~?= Just 0, f 127 ~?= Just 127, f (-1) ~?= Nothing]
             , "TryFrom Int16 Word32"
               ~: let f = hush . Witch.tryFrom @Int.Int16 @Word.Word32
-                 in [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
+                 in
+                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
             , "TryFrom Int16 Word64"
               ~: let f = hush . Witch.tryFrom @Int.Int16 @Word.Word64
-                 in [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
+                 in
+                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
             , "TryFrom Int16 Word"
               ~: let f = hush . Witch.tryFrom @Int.Int16 @Word
-                 in [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
+                 in
+                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
             , "TryFrom Int16 Natural"
               ~: let f = hush . Witch.tryFrom @Int.Int16 @Natural.Natural
-                 in [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
+                 in
+                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f (-1) ~?= Nothing]
             , "From Int16 Float"
               ~: let f = Witch.from @Int.Int16 @Float
                  in [f 0 ~?= 0, f 32767 ~?= 32767, f (-32768) ~?= (-32768)]
@@ -323,7 +328,8 @@ main =
                    , let x = maxBound :: Int
                      in
                        if toInteger x >= 9223372036854775807
-                         then f 9223372036854775807 ~?= Just 9223372036854775807
+                         then f 9223372036854775807
+                           ~?= Just 9223372036854775807
                          else f (fromIntegral x) ~?= Just x
                    , let x = minBound :: Int
                      in
@@ -376,7 +382,8 @@ main =
                    , let x = maxBound :: Word
                      in
                        if toInteger x >= 9223372036854775807
-                         then f 9223372036854775807 ~?= Just 9223372036854775807
+                         then f 9223372036854775807
+                           ~?= Just 9223372036854775807
                          else f (fromIntegral x) ~?= Just x
                    , f (-1) ~?= Nothing
                    ]
@@ -535,7 +542,8 @@ main =
                    , let x = minBound :: Int
                      in
                        if toInteger x <= (-9007199254740991)
-                         then f (-9007199254740991) ~?= Just (-9007199254740991)
+                         then f (-9007199254740991)
+                           ~?= Just (-9007199254740991)
                          else f x ~?= Just (fromIntegral x)
                    , let x = minBound :: Int
                      in
@@ -586,9 +594,11 @@ main =
                  in
                    [ f 0 ~?= Just 0
                    , let x = maxBound :: Int in f (fromIntegral x) ~?= Just x
-                   , let x = toInteger (maxBound :: Int) + 1 in f x ~?= Nothing
+                   , let x = toInteger (maxBound :: Int) + 1
+                     in f x ~?= Nothing
                    , let x = minBound :: Int in f (fromIntegral x) ~?= Just x
-                   , let x = toInteger (minBound :: Int) - 1 in f x ~?= Nothing
+                   , let x = toInteger (minBound :: Int) - 1
+                     in f x ~?= Nothing
                    ]
             , "TryFrom Integer Word8"
               ~: let f = hush . Witch.tryFrom @Integer @Word.Word8
@@ -720,7 +730,10 @@ main =
             , "TryFrom Word16 Int16"
               ~: let f = hush . Witch.tryFrom @Word.Word16 @Int.Int16
                  in
-                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f 32768 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 32767 ~?= Just 32767
+                   , f 32768 ~?= Nothing
+                   ]
             , "From Word16 Int32"
               ~: let f = Witch.from @Word.Word16 @Int.Int32
                  in [f 0 ~?= 0, f 65535 ~?= 65535]
@@ -747,7 +760,10 @@ main =
             , "TryFrom Word32 Word16"
               ~: let f = hush . Witch.tryFrom @Word.Word32 @Word.Word16
                  in
-                   [f 0 ~?= Just 0, f 65535 ~?= Just 65535, f 65536 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 65535 ~?= Just 65535
+                   , f 65536 ~?= Nothing
+                   ]
             , "From Word32 Word64"
               ~: let f = Witch.from @Word.Word32 @Word.Word64
                  in [f 0 ~?= 0, f 4294967295 ~?= 4294967295]
@@ -763,7 +779,10 @@ main =
             , "TryFrom Word32 Int16"
               ~: let f = hush . Witch.tryFrom @Word.Word32 @Int.Int16
                  in
-                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f 32768 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 32767 ~?= Just 32767
+                   , f 32768 ~?= Nothing
+                   ]
             , "TryFrom Word32 Int32"
               ~: let f = hush . Witch.tryFrom @Word.Word32 @Int.Int32
                  in
@@ -805,7 +824,10 @@ main =
             , "TryFrom Word64 Word16"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Word.Word16
                  in
-                   [f 0 ~?= Just 0, f 65535 ~?= Just 65535, f 65536 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 65535 ~?= Just 65535
+                   , f 65536 ~?= Nothing
+                   ]
             , "TryFrom Word64 Word32"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Word.Word32
                  in
@@ -826,14 +848,18 @@ main =
                    ]
             , "From Word64 Natural"
               ~: let f = Witch.from @Word.Word64 @Natural.Natural
-                 in [f 0 ~?= 0, f 18446744073709551615 ~?= 18446744073709551615]
+                 in
+                   [f 0 ~?= 0, f 18446744073709551615 ~?= 18446744073709551615]
             , "TryFrom Word64 Int8"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Int.Int8
                  in [f 0 ~?= Just 0, f 127 ~?= Just 127, f 128 ~?= Nothing]
             , "TryFrom Word64 Int16"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Int.Int16
                  in
-                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f 32768 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 32767 ~?= Just 32767
+                   , f 32768 ~?= Nothing
+                   ]
             , "TryFrom Word64 Int32"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Int.Int32
                  in
@@ -861,7 +887,8 @@ main =
                    ]
             , "From Word64 Integer"
               ~: let f = Witch.from @Word.Word64 @Integer
-                 in [f 0 ~?= 0, f 18446744073709551615 ~?= 18446744073709551615]
+                 in
+                   [f 0 ~?= 0, f 18446744073709551615 ~?= 18446744073709551615]
             , "TryFrom Word64 Float"
               ~: let f = hush . Witch.tryFrom @Word.Word64 @Float
                  in
@@ -884,7 +911,10 @@ main =
             , "TryFrom Word Word16"
               ~: let f = hush . Witch.tryFrom @Word @Word.Word16
                  in
-                   [f 0 ~?= Just 0, f 65535 ~?= Just 65535, f 65536 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 65535 ~?= Just 65535
+                   , f 65536 ~?= Nothing
+                   ]
             , "TryFrom Word Word32"
               ~: let f = hush . Witch.tryFrom @Word @Word.Word32
                  in
@@ -908,7 +938,10 @@ main =
             , "TryFrom Word Int16"
               ~: let f = hush . Witch.tryFrom @Word @Int.Int16
                  in
-                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f 32768 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 32767 ~?= Just 32767
+                   , f 32768 ~?= Nothing
+                   ]
             , "TryFrom Word Int32"
               ~: let f = hush . Witch.tryFrom @Word @Int.Int32
                  in
@@ -923,7 +956,8 @@ main =
                    , let x = maxBound :: Word
                      in
                        if toInteger x >= 9223372036854775807
-                         then f 9223372036854775807 ~?= Just 9223372036854775807
+                         then f 9223372036854775807
+                           ~?= Just 9223372036854775807
                          else f x ~?= Just (fromIntegral x)
                    , let x = maxBound :: Word
                      in
@@ -975,7 +1009,10 @@ main =
             , "TryFrom Natural Word16"
               ~: let f = hush . Witch.tryFrom @Natural.Natural @Word.Word16
                  in
-                   [f 0 ~?= Just 0, f 65535 ~?= Just 65535, f 65536 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 65535 ~?= Just 65535
+                   , f 65536 ~?= Nothing
+                   ]
             , "TryFrom Natural Word32"
               ~: let f = hush . Witch.tryFrom @Natural.Natural @Word.Word32
                  in
@@ -1005,7 +1042,8 @@ main =
                        x =
                          fromIntegral (maxBound :: Word) + 1 :: Natural.Natural
                      in
-                       hush (Witch.tryFrom @Natural.Natural @Word x) ~?= Nothing
+                       hush (Witch.tryFrom @Natural.Natural @Word x)
+                         ~?= Nothing
                    ]
             , "TryFrom Natural Int8"
               ~: let f = hush . Witch.tryFrom @Natural.Natural @Int.Int8
@@ -1013,7 +1051,10 @@ main =
             , "TryFrom Natural Int16"
               ~: let f = hush . Witch.tryFrom @Natural.Natural @Int.Int16
                  in
-                   [f 0 ~?= Just 0, f 32767 ~?= Just 32767, f 32768 ~?= Nothing]
+                   [ f 0 ~?= Just 0
+                   , f 32767 ~?= Just 32767
+                   , f 32768 ~?= Nothing
+                   ]
             , "TryFrom Natural Int32"
               ~: let f = hush . Witch.tryFrom @Natural.Natural @Int.Int32
                  in
@@ -1035,13 +1076,15 @@ main =
                    , let x = maxBound :: Int
                      in
                        hush
-                           (Witch.tryFrom @Natural.Natural @Int (fromIntegral x)
+                           (Witch.tryFrom @Natural.Natural @Int
+                             (fromIntegral x)
                            )
                          ~?= Just x
                    , let
                        x =
                          fromIntegral (maxBound :: Int) + 1 :: Natural.Natural
-                     in hush (Witch.tryFrom @Natural.Natural @Int x) ~?= Nothing
+                     in
+                       hush (Witch.tryFrom @Natural.Natural @Int x) ~?= Nothing
                    ]
             , "From Natural Integer"
               ~: let f = Witch.from @Natural.Natural @Integer
@@ -1285,7 +1328,8 @@ main =
                    , let x = minBound :: Int
                      in
                        if toInteger x <= (-9007199254740991)
-                         then f (-9007199254740991) ~?= Just (-9007199254740991)
+                         then f (-9007199254740991)
+                           ~?= Just (-9007199254740991)
                          else f (fromIntegral x) ~?= Just x
                    , f (-9007199254740992) ~?= Nothing
                    , f (0 / 0) ~?= Nothing
@@ -1625,7 +1669,8 @@ main =
                      ~?= ShortByteString.pack [0x0f, 0xf0]
                    ]
             , "TryFrom ByteString Text"
-              ~: let f = hush . Witch.tryFrom @ByteString.ByteString @Text.Text
+              ~: let
+                   f = hush . Witch.tryFrom @ByteString.ByteString @Text.Text
                  in
                    [ f (ByteString.pack []) ~?= Just (Text.pack "")
                    , f (ByteString.pack [0x61]) ~?= Just (Text.pack "a")
@@ -1678,10 +1723,12 @@ main =
               ~: let
                    f =
                      hush
-                       . Witch.tryFrom @LazyByteString.ByteString @LazyText.Text
+                       . Witch.tryFrom @LazyByteString.ByteString
+                         @LazyText.Text
                  in
                    [ f (LazyByteString.pack []) ~?= Just (LazyText.pack "")
-                   , f (LazyByteString.pack [0x61]) ~?= Just (LazyText.pack "a")
+                   , f (LazyByteString.pack [0x61])
+                     ~?= Just (LazyText.pack "a")
                    , f (LazyByteString.pack [0xff]) ~?= Nothing
                    ]
             , "TryFrom LazyByteString Text"
@@ -1891,9 +1938,12 @@ main =
     -- CalendarDiffTime
             , "From CalendarDiffDays CalendarDiffTime"
               ~: let
-                   f = Witch.from @Time.CalendarDiffDays @Time.CalendarDiffTime
+                   f =
+                     Witch.from @Time.CalendarDiffDays @Time.CalendarDiffTime
                  in
-                   [f (Time.CalendarDiffDays 0 0) ~?= Time.CalendarDiffTime 0 0]
+                   [ f (Time.CalendarDiffDays 0 0)
+                       ~?= Time.CalendarDiffTime 0 0
+                   ]
             , "From NominalDiffTime CalendarDiffTime"
               ~: let
                    f = Witch.from @Time.NominalDiffTime @Time.CalendarDiffTime
diff --git a/witch.cabal b/witch.cabal
index 6992265..a6aa532 100644
--- a/witch.cabal
+++ b/witch.cabal
@@ -1,15 +1,15 @@
 cabal-version: 2.2
 
 name: witch
-version: 0.3.4.2
+version: 1.0.0.0
 synopsis: Convert values from one type into another.
 description: Witch converts values from one type into another.
 
 build-type: Simple
 category: Data
 extra-source-files: CHANGELOG.markdown README.markdown
-license-file: LICENSE.txt
-license: ISC
+license-file: LICENSE.markdown
+license: MIT
 maintainer: Taylor Fausak
 
 source-repository head
@@ -21,11 +21,12 @@ flag pedantic
   description: Enables @-Werror@, which turns warnings into errors.
   manual: True
 
-common basics
+common library
   build-depends:
     , base >= 4.10.0 && < 4.17
     , bytestring >= 0.10.8 && < 0.12
     , containers >= 0.5.10 && < 0.7
+    , template-haskell >= 2.12.0 && < 2.19
     , text >= 1.2.3 && < 1.3
     , time >= 1.9.1 && < 1.13
   default-language: Haskell2010
@@ -60,11 +61,18 @@ common basics
     ghc-options:
       -Werror
 
-library
-  import: basics
+common executable
+  import: library
+
+  build-depends: witch
+  ghc-options:
+    -rtsopts
+    -threaded
+    -Wno-unused-packages
+
+library
+  import: library
 
-  build-depends:
-    , template-haskell >= 2.12.0 && < 2.19
   exposed-modules:
     Witch
     Witch.From
@@ -73,26 +81,20 @@ library
     Witch.TryFrom
     Witch.TryFromException
     Witch.Utility
-  hs-source-dirs: src/lib
+  hs-source-dirs: source/library
 
   if impl(ghc >= 9.0)
-    hs-source-dirs: src/ghc-9.0
+    hs-source-dirs: source/ghc-9.0
+  elif impl(ghc >= 8.10)
+    hs-source-dirs: source/ghc-8.10
   else
-    if impl(ghc >= 8.10)
-      hs-source-dirs: src/ghc-8.10
-    else
-      hs-source-dirs: src/ghc-8.8
+    hs-source-dirs: source/ghc-8.8
 
 test-suite test
-  import: basics
+  import: executable
 
   build-depends:
     , HUnit >= 1.6.2 && < 1.7
-    , witch
-  ghc-options:
-    -rtsopts
-    -threaded
-    -Wno-all-missed-specialisations
-  hs-source-dirs: src/test
+  hs-source-dirs: source/test-suite
   main-is: Main.hs
   type: exitcode-stdio-1.0