Converting IO Int --> Int

[Tom Pledger]

Tim Stitt writes:
 | Can anyone tell me how to convert a value of type IO Int to a value of type
 | Int.
 | 
 | I wrote a simple script to read an integer from the user using IO and then
 | the value is returned from the IO function using 
 | 
 | return value
 | 
 | with a return type of IO Int.
 | 
 | In the calling function I wish to do a comparison with the user value and a
 | hard-coded integer. Unfortunately I keep getting type errors between the Int
 | and the IO Int.
 | 
 | I would be grateful for any assistance in this.

Here's a link to an explanation of what's going on there.

    http://haskell.org/hawiki/ThatAnnoyingIoType