patch applied (packages/base): Add groupWith, sortWith, the, to support generalised list comprehensions

[Simon Peyton Jones]

Thu Dec 20 03:19:29 PST 2007  simonpj at microsoft.com
  * Add groupWith, sortWith, the, to support generalised list comprehensions
  
    This the base-library patch to support the main compiler patch
       Implement generalised list comprehensions
    
    It just adds three functions to GHC.Exts.
  

    M ./GHC/Exts.hs +22