What are some examples of using MVars in Haskell?
An example of an AI chatbot conversation about Haskell MVar usage and examples.
Can you explain what MVars are in Haskell?
MVars are mutable variables in Haskell that can be used for synchronization between concurrent threads.
Can you give me an example of how to use MVars?
Sure! Here's a simple example: You can create an MVar to share a counter between two threads, incrementing it safely.
How do I create an MVar in Haskell?
You can create an MVar using the newMVar function, which initializes it with a value.
What happens if one thread tries to read from an empty MVar?
If a thread tries to read from an empty MVar, it will block until another thread writes a value to it.
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