[Haskell-cafe] Memory-mapped arrays?

[Don Stewart]

joelr1:
> Is there such a thing as memory-mapped arrays in GHC?
> 
> I'm looking for something that would let me memory-map a file of  
> floats and access it as an array.
> 

There's a commented out mmapFile for ByteString in Data.ByteString's
source. Use that, and then extract the ForeignPtr from the resulting 
ByteString, and castPtr it to a Ptr CFloat, then you're in business.

-- Don