[Haskell-cafe] STM atomic blocks in IO functions
bos at serpentine.com
Fri Jan 13 19:25:27 CET 2012
On Fri, Jan 13, 2012 at 10:04 AM, Rob Stewart
<robstewart57 at googlemail.com>wrote:
> The question is a simple one. Must all operations on a TVar happen
> within *the same* atomically block, or am I am I guaranteed thread
> safety if, say, I have a number of atomically blocks in an IO
If you want successive operations to see a consistent state, they must
occur in the same atomically block.
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