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23 lines
431 B
Idris
23 lines
431 B
Idris
module Data.Ref
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import public Data.IORef
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import public Control.Monad.ST
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public export
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interface Ref m r | m where
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newRef : {0 a : Type} -> a -> m (r a)
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readRef : {0 a : Type} -> r a -> m a
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writeRef : r a -> a -> m ()
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export
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HasIO io => Ref io IORef where
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newRef = newIORef
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readRef = readIORef
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writeRef = writeIORef
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export
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Ref (ST s) (STRef s) where
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newRef = newSTRef
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readRef = readSTRef
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writeRef = writeSTRef
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