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Fix Haddock link for StateT
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src/System/Random/Stateful.hs

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@@ -164,9 +164,10 @@ import System.Random.Internal
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-- > [3,4,3,1,4,6,1,6,1,4]
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--
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-- Given a /pure/ pseudo-random number generator, you can run the monadic pseudo-random
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-- number computation @rollsM@ in 'StateT', 'IO', 'ST' or 'STM' context by applying a
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-- monadic adapter like 'StateGenM', 'AtomicGenM', 'IOGenM', 'STGenM' or 'TGenM' (see
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-- [monadic-adapters](#monadicadapters)) to the pure pseudo-random number generator.
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-- number computation @rollsM@ in 'Control.Monad.State.Strict.StateT', 'IO', 'ST' or 'STM'
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-- context by applying a monadic adapter like 'StateGenM', 'AtomicGenM', 'IOGenM',
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-- 'STGenM' or 'TGenM' (see [monadic-adapters](#monadicadapters)) to the pure
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-- pseudo-random number generator.
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--
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-- >>> let pureGen = mkStdGen 42
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-- >>> newIOGenM pureGen >>= rollsM 10 :: IO [Word]
@@ -183,9 +184,9 @@ import System.Random.Internal
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-- ['System.Random.RandomGen': pure pseudo-random number generators]
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-- See "System.Random" module.
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--
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-- ['StatefulGen': monadic pseudo-random number generators] These generators
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-- mutate their own state as they produce pseudo-random values. They
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-- generally live in 'StateT', 'ST', 'IO' or 'STM' or some other transformer
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-- ['StatefulGen': monadic pseudo-random number generators] These generators mutate their
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-- own state as they produce pseudo-random values. They generally live in
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-- 'Control.Monad.State.Strict.StateT', 'ST', 'IO' or 'STM' or some other transformer
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-- on top of those monads.
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--
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@@ -198,10 +199,10 @@ import System.Random.Internal
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-- Pure pseudo-random number generators can be used in monadic code via the
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-- adapters 'StateGenM', 'AtomicGenM', 'IOGenM', 'STGenM' and 'TGenM'
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--
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-- * 'StateGenM' can be used in any state monad. With strict 'StateT' there is
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-- no performance overhead compared to using the 'RandomGen' instance
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-- directly. 'StateGenM' is /not/ safe to use in the presence of exceptions
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-- and concurrency.
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-- * 'StateGenM' can be used in any state monad. With strict
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-- 'Control.Monad.State.Strict.StateT' there is no performance overhead compared to
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-- using the 'RandomGen' instance directly. 'StateGenM' is /not/ safe to use in the
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-- presence of exceptions and concurrency.
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--
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-- * 'AtomicGenM' is safe in the presence of exceptions and concurrency since
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-- it performs all actions atomically.

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