where is GHC.Prim.sym defined?

[Simon Peyton-Jones]

It's the "sym" coercion from our FC paper http://research.microsoft.com/en-us/um/people/simonpj/papers/ext-f/

External Core needs love.  I'm not sure anyone has paid much attention to it since we switched to using FC.  I'd be happy to advise.

Simon

| -----Original Message-----
| From: cvs-ghc-bounces at haskell.org [mailto:cvs-ghc-bounces at haskell.org] On Behalf Of
| Paul L
| Sent: 08 June 2011 02:10
| To: cvs-ghc at haskell.org
| Subject: where is GHC.Prim.sym defined?
| 
| I'm trying to parse Core file generated by -fext-core, here is a snippet I got:
| 
|  %cast (base:GHCziSTRef.STRef @ ghczmprim:GHCziPrim.RealWorld
|                      @ ((base:GHCziIOziBuffer.Buffer
| base:GHCziWord.Word8)) rbd1ep)
|               ((ghczmprim:GHCziPrim.sym
|                 base:GHCziIORef.NTCoZCIORef
|                 ((base:GHCziIOziBuffer.Buffer base:GHCziWord.Word8))))
| 
| But I can't seem to find GHC.Prim.sym defined anywhere in the ghc-prim
| package, any hints?
| 
| --
| Regards,
| Paul Liu
| 
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