Proposal: Tidy up and export PSQ from base

Antoine Latter aslatter at
Sat Apr 30 03:25:13 CEST 2011

On Fri, Apr 29, 2011 at 8:10 PM, Edward Z. Yang <ezyang at> wrote:
> The new IO event manager implements a priority search queue internally.
> This is a kind of handy data structure; in particular, some algorithmic
> improvements in Hoopl would require a decent priority queue implementation.
> I propose that we move GHC.Event.PSQ to Data.PSQ, cleaning up the dependency
> on GHC.Event.Unique, and export it unconditionally (right now it is only
> available on non-Windows.)
> Discussion period: 1 week.

What will you also export GHC.Event.Unique?

> Cheers,
> Edward
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