[Haskell-cafe] Re: [Haskell] Top Level <-

[Ashley Yakeley]

Ganesh Sittampalam wrote:
> On Sat, 30 Aug 2008, Ashley Yakeley wrote:
> 
>> Ganesh Sittampalam wrote:
>>> This seems fine to me. It's based on something that already does work 
>>> properly across a process scope,
>>
>> But you agree that IORefs define a concept of "process scope"?
> 
> I'm not sure that they *define* process scope, because it might be safe 
> to use them across multiple processes; it depends on OS-dependent 
> properties. But they exist *at least* at process scope.

How can one use IORefs across multiple processes? They cannot be serialised.