[Haskell-cafe] Those damned parentheses

[Brandon S Allbery KF8NH]

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On 5/7/11 15:10 , Eitan Goldshtrom wrote:
> I get the error "Couldn't match expected type `[Char]' with actual type `a0
> -> c0'". The only way it seems to work is
> f p = putStrLn $ (show (Main.id p)) ++ " - message received"

Interestingly enough, you have the correct answer in there as well:  "$"

> f p = putStrLn $ (show $ Main.id p) ++ " = message received"

You may also want to look into Control.Applicative.

- -- 
brandon s. allbery     [linux,solaris,freebsd,perl]    allbery.b at gmail.com
system administrator  [openafs,heimdal,too many hats]                kf8nh
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