patch applied (packages/base): fix Data.Map.updateAt

Ian Lynagh igloo at earth.li
Sat Jul 21 18:54:29 EDT 2007


Wed Jul 18 08:03:40 PDT 2007  Bertram Felgenhauer <int-e at gmx.de>
  * fix Data.Map.updateAt
  See http://haskell.org/pipermail/libraries/2007-July/007785.html for a piece
  of code triggering the bug. updateAt threw away parts of the tree making up
  the map.

    M ./Data/Map.hs -2 +2


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