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Description |
A pure specification of mutable variables.
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Synopsis |
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The IOState monad
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The IOState monad
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The runIOState function executes a computation in the IOState monad.
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Manipulation of IORefs
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A mutable variable in the IOState monad
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The newIORef function creates a new mutable variable.
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The readIORef function reads the value stored in a mutable variable.
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The writeIORef function overwrites the value stored in an IORef.
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The modifyIORef function applies a function to the value stored in
and IORef.
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Produced by Haddock version 2.6.0 |