RE: ThreadId should be Eq/Ord (and preferably Read/Show)

[Simon Marlow]

> The Concurrent library spec says ThreadId should be an instance of
> Eq and Ord but ghc doesn't seem to know.  (The definition of ThreadId
> seems to be in PrelConc.lhs and is:
>    data ThreadId = ThreadId ThreadId#
> I think you need a "derives (Eq,Ord)" in there.
> 
> As a matter of fact I would also like ThreadId to be Read/Show,
> even though that isn't in the documentation.

Thanks, will do.

Simon