Refactor code

.hlint.yaml

@@ -4,7 +4,7 @@
 - group: { name: generalise, enabled: true }
 - group: {name: partial, enabled: true}
 
-- arguments: [ --cross, --refactor, --color, -XQuasiQuotes]
+- arguments: [ --cross, --refactor, -XQuasiQuotes]
 #- arguments: [ --cross, --color, -XQuasiQuotes]
 
 - extensions:

src/Data/WAVE.hs

@@ -1,5 +1,3 @@
--- Modified from:
--- Copyright (C) 2007 Bart Massey
 
 -- | This module implements reading and writing of the most
 --  common kinds of WAVE files.  WAVE files are Microsoft
@@ -54,14 +52,14 @@ import System.IO
 -- | For internal use only; the header as it appears on-disk.
 --  The interface cleans this up to remove redundancy and
 --  make things easier to understand.
-data WAVERawHeader = WAVERawHeader
-  { rawNumChannels :: Int, -- Number of channels in the audio
-    rawSampleRate :: Int, -- Sample rate of the audio
-    rawByteRate :: Int, -- Byte rate of the audio
-    rawBlockAlign :: Int, -- Block alignment of the audio
-    rawBitsPerSample :: Int, -- Bits per sample of the audio
-    rawFrames :: Maybe Int -- Number of frames in the audio stream (if present)
-  }
+data WAVERawHeader where
+  WAVERawHeader :: {rawNumChannels :: Int,
+                      rawSampleRate :: Int,
+                      rawByteRate :: Int,
+                      rawBlockAlign :: Int,
+                      rawBitsPerSample :: Int,
+                      rawFrames :: Maybe Int} ->
+                     WAVERawHeader
 
 -- | Descriptive information for the audio source.
 data WAVEHeader = WAVEHeader
@@ -128,7 +126,7 @@ sampleToDouble v =
       minb = toInteger (minBound :: WAVESample)
    in if v >= 0
         then fromInteger (toInteger v) / fromInteger maxb
-        else -fromInteger (toInteger v) / fromInteger minb
+        else - (fromInteger (toInteger v) / fromInteger minb)
 
 -- | Utility routine for working with audio data in floating
 --  point format.

src/Rtm/Parser.hs

@@ -1,3 +1,4 @@
+{-# OPTIONS_GHC -Wno-unused-top-binds #-}
 module Rtm.Parser
   ( rtmParser,
     parseRtm,

src/Rtm/Shape.hs

@@ -7,7 +7,9 @@ import Rtm.Common
 import System.Random.Shuffle (shuffleM)
 
 -- | Tree structure that holds placeholders for the shape of the tree
-data ShapeTree a = ShapeLeaf | ShapeNode a [ShapeTree a]
+data ShapeTree a where
+  ShapeLeaf :: ShapeTree a
+  ShapeNode :: a -> [ShapeTree a] -> ShapeTree a
   deriving (Functor, Show)
 
 -- Function to extract the shape of an Rtm