[commit: packages/pretty] master: Add appropriate Show, Eq and Generic instances (a7db5b5)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/pretty

On branch  : master
Link       : http://git.haskell.org/packages/pretty.git/commitdiff/a7db5b5897be64d94d9a13e9f9df120e05ff8afa

>---------------------------------------------------------------

commit a7db5b5897be64d94d9a13e9f9df120e05ff8afa
Author: David Terei <code at davidterei.com>
Date:   Thu Dec 25 01:54:14 2014 -0800

    Add appropriate Show, Eq and Generic instances


>---------------------------------------------------------------

a7db5b5897be64d94d9a13e9f9df120e05ff8afa
 src/Text/PrettyPrint/HughesPJ.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Text/PrettyPrint/HughesPJ.hs b/src/Text/PrettyPrint/HughesPJ.hs
index 86c4b71..6f11a8d 100644
--- a/src/Text/PrettyPrint/HughesPJ.hs
+++ b/src/Text/PrettyPrint/HughesPJ.hs
@@ -231,6 +231,7 @@ data TextDetails = Chr  {-# UNPACK #-} !Char -- ^ A single Char fragment
                  | PStr String -- ^ Used to represent a Fast String fragment
                                --   but now deprecated and identical to the
                                --   Str constructor.
+                 deriving (Show, Eq, Generic)
 
 -- Combining @Doc@ values
 instance Monoid Doc where
@@ -838,6 +839,7 @@ data Style
           , lineLength     :: Int   -- ^ Length of line, in chars
           , ribbonsPerLine :: Float -- ^ Ratio of line length to ribbon length
           }
+  deriving (Show, Eq, Generic)
 
 -- | The default style (@mode=PageMode, lineLength=100, ribbonsPerLine=1.5@).
 style :: Style
@@ -848,6 +850,7 @@ data Mode = PageMode     -- ^ Normal
           | ZigZagMode   -- ^ With zig-zag cuts
           | LeftMode     -- ^ No indentation, infinitely long lines
           | OneLineMode  -- ^ All on one line
+          deriving (Show, Eq, Generic)
 
 -- | Render the @Doc@ to a String using the default @Style at .
 render :: Doc -> String