[Haskell-cafe] Re: Concurrency questions

Achim Schneider barsoap at web.de
Sun Jan 6 06:45:03 EST 2008

Andrew Coppin <andrewcoppin at btinternet.com> wrote:

> 2. I have a situation where I have a thread generating some data and 
> putting it into a mutable array, and another thread trying to read
> that data. Is there a way I can make the reader thread block if it
> tries to read a cell that hasn't been computed yet, but not introduce
> too much overhead for cells that have been filled in?
could be what you're looking for.

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