On Wed, Dec 14, 2005 at 02:17:17PM -0000, Simon Marlow wrote:
Suppose you create two top-level IORefs with the same type, like
this:
var1 = unsafePerformIO $ newIORef 0
var2 = unsafePerformIO $ newIORef 0
GHC's CSE optimisation will common these up - after all, it's the
same
expression, so it must yield the same result, right?
Do these have to be within the same module for the CSE optimization
to kick in?
--
http://wagerlabs.com/
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