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stringhaskellintcasting

Haskell: Converting Int to String

I know you can convert a String to an number with read:

Prelude> read "3" :: Int
3
Prelude> read "3" :: Double 
3.0

But how do you grab the String representation of an Int value?

Solution

  • The opposite of read is show.

    Prelude> show 3
"3"

Prelude> read $ show 3 :: Int
3