Chaitin's (try)

Carl McTague writes: | Does anybody have an interest in something like Gregory Chaitin's | function (try) from his custom lisp in Haskell? : Have a look at the timeout function in Tackling The Awkward Squad, in the section on asynchronous exceptions (6.5.1 in the version I'm looking at). http://research.microsoft.com/Users/simonpj/papers/marktoberdorf.htm The impurity is captured by function's result being an IO action. timeout :: Int -> IO a -> IO (Maybe a)