1. 14 Sep, 2008 1 commit
    • Thomas Schilling's avatar
      Introduce an 'ExceptionMonad' class. · 4767e535
      Thomas Schilling authored
      This monad provides variants of 'catch', 'bracket', and 'finally', so
      exceptions can be handled in monads that wrap IO.  The latter two
      methods need to be part of the class definition, because GHC uses
      'block' and 'unblock' which are used in the definition of those two
      methods for the IO monad.  A perhaps better class interface would
      consist of 'gcatch', 'gblock', and 'gunblock' and let the latter two
      default to 'id' like is done for non-GHC implementations of 'bracket'
      and 'finally'.
      4767e535
  2. 31 Jul, 2008 1 commit
  3. 30 Jul, 2008 1 commit