Priorities

[Benjamin Franksen]

On Friday 03 February 2006 08:52, Tomasz Zielonka wrote:
> On Thu, Feb 02, 2006 at 01:05:57PM +0000, Ross Paterson wrote:
> > Personally, I'm not sure about caseless underscore, concurrency,
> > natural numbers and parallel list comprehensions.
>
> There is one more reason to leave concurrency out of the standard.
>
> Some experts (like Hans Boehm) argue, that concurrency can't be added
> to the language as a library.
>     http://www.hpl.hp.com/techreports/2004/HPL-2004-209.pdf
>
> This is true for many imperative programming languages. Haskell seems
> to be an exception:
>    
> http://www.haskell.org//pipermail/glasgow-haskell-users/2005-December
>/009417.html
>
> We don't have any problems with ensuring good cooperation between
> mutable variables and concurrency synchronisation primitives, because
> the language doesn't have mutable variables, they are delivered in
> the concurrency library - the variables _are_ the synchronisation
> primitives.

What about IORefs?

Ben