Bryan O'Sullivan avatar Bryan O'Sullivan committed 7a2eb57

Make the Number type strict

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 -- A simple number type, useful for parsing both exact and inexact
 -- quantities without losing much precision.
--- The constructors are non-strict, but numeric operations are strict
--- just in case you go nuts and try to use this type for actual
--- arithmetic.
 module Data.Attoparsec.Number
 -- | A numeric type that can represent integers accurately, and
 -- floating point numbers to the precision of a 'Double'.
-data Number = I Integer
-            | D Double
+data Number = I {-# UNPACK #-} !Integer
+            | D {-# UNPACK #-} !Double
               deriving (Typeable, Data)
 instance Show Number where
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