Re: how to convert IO String to string

22 Nov 2002

      At 2002-11-22 08:12, Lu Mudong wrote:
...
hi, all, I'm having problem convert IO String to string, I read a file, and 
it's an IO String,
Right,
...
what i need is a string,
You can do the conversion with "<-", but only inside a "do" block. For 
instance:

  myReadFile :: IO String
  myReadFile = ...

  main = do
    s <- myReadFile
    putStrLn s

Here, s has type String.

-- 
Ashley Yakeley, Seattle WA