[Haskell-beginners] Parsing an integer

Tim Baumgartner baumgartner.tim at googlemail.com
Sun Nov 21 07:27:06 EST 2010

Hi folks,

since I always get great answers here, I have another question. I'm
currently parsing a (positive) integer using

data Token = Number Int  -- ...
number :: Parser Token
number = many1 digit ↠ (read >>> Number >>> return)
-- = many1 digit ↠ return∘Number∘read

But I wonder what an advanced haskeller would code instead.
Particularly, I'd like to get rid of the 'return'.

Thanks in advance

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