From cc321b3ae254db365ab105f48305f9e427b1486d Mon Sep 17 00:00:00 2001
From: Sam T <pxqr.sta@gmail.com>
Date: Fri, 27 Sep 2013 00:16:02 +0400
Subject: Use type synonym for encoded data

---
 src/Data/ByteString/Base32.hs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Data/ByteString/Base32.hs b/src/Data/ByteString/Base32.hs
index 28481a3..89d6e2c 100644
--- a/src/Data/ByteString/Base32.hs
+++ b/src/Data/ByteString/Base32.hs
@@ -14,7 +14,8 @@
 --
 {-# LANGUAGE BangPatterns #-}
 module Data.ByteString.Base32
-       ( encode
+       ( Base32
+       , encode
        , decode
        , decodeLenient
        ) where
@@ -25,6 +26,8 @@ import Data.ByteString.Base32.Internal
 import Data.List as L
 
 
+type Base32 = ByteString
+
 encW5 :: Word5 -> Word8
 encW5 !x
   |  x <= 25  = 65 + x
@@ -35,7 +38,7 @@ encTable :: EncTable
 encTable = BS.pack $ L.map encW5 [0..31]
 
 -- | Encode a bytestring into base32 form.
-encode :: ByteString -> ByteString
+encode :: ByteString -> Base32
 encode = unpack5 encTable
 
 decW5 :: Word8 -> Word5
@@ -53,7 +56,7 @@ decTable :: ByteString
 decTable = BS.pack $ L.map decW5 [minBound .. maxBound]
 
 -- | Decode a base32 encoded bytestring.
-decode :: ByteString -> ByteString
+decode :: Base32 -> ByteString
 decode = pack5 decTable
 
 decCharLenient :: Char -> Word5
-- 
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