This package provides two new operations,
GHC.Dup.deepDup, that allow the
programmer to prevent the result of two evaluations of the same expression to
See http://arxiv.org/abs/1207.2017 for more background.
This is still experimental software and can likely cause your program to crash.
The work on this package has been supported by the Deutsche Telekom Stiftung (http://telekom-stiftung.de).