[cvs-nhc98] patch applied (hat): Added functions to HatTrace and HatExpressionTree, which

[Malcolm Wallace]

Tue Sep 18 10:22:01 PDT 2001  thorsten
  * Added functions to HatTrace and HatExpressionTree, which
  previously wouldn't compile with NHC due to type-checking-bug.
  - HatLimit introduced, allowing to derive trees of limited depth
  from any HatRep class instance.

    M ./src/hattools/HatExpressionTree.hs -30 +37
    M ./src/hattools/HatObserve.hs -26 +55
    M ./src/hattools/HatTrace.gc +3
    M ./src/hattools/Hatobserve.hs -26 +55
    M ./src/hattools/hatinterface.c -3 +1