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| Data.STRef | | Portability | non-portable (uses Control.Monad.ST) | | Stability | experimental | | Maintainer | libraries@haskell.org |
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| Description |
| Mutable references in the (strict) ST monad.
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| Synopsis |
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| STRefs
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| data STRef s a |
| a value of type STRef s a is a mutable variable in state thread s,
containing a value of type a
| Instances | |
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| newSTRef :: a -> ST s (STRef s a) |
| Build a new STRef in the current state thread
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| readSTRef :: STRef s a -> ST s a |
| Read the value of an STRef
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| writeSTRef :: STRef s a -> a -> ST s () |
| Write a new value into an STRef
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| modifySTRef :: STRef s a -> (a -> a) -> ST s () |
| Mutate the contents of an STRef
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| Produced by Haddock version 0.8 |