[Haskell-cafe] return in Monad class necessary?

Bulat Ziganshin bulat.ziganshin at gmail.com
Mon Nov 26 14:41:30 EST 2007

Hello Henning,

Monday, November 26, 2007, 9:48:29 PM, you wrote:

> I wonder whether it is a typical mistake of beginners
> to write 'return' within a do-block (that is, not at the end)

don't forget that `return` is also used to force evaluation:

do let n = a+b
   return $! n
   writeChan c (n,1)

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com

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