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[ ghc-Bugs-1183229 ] Missing 'x' in User's Guide 7.7: Arrow Notation: msg#00072

lang.haskell.glasgow.bugs

Subject: [ ghc-Bugs-1183229 ] Missing 'x' in User's Guide 7.7: Arrow Notation

Bugs item #1183229, was opened at 2005-04-14 18:02
Message generated for change (Comment added) made by simonpj
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=108032&aid=1183229&group_id=8032

Category: Documentation
Group: 6.4
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Daniel Brown (danb_was_taken)
Assigned to: Nobody/Anonymous (nobody)
Summary: Missing 'x' in User's Guide 7.7: Arrow Notation

Initial Comment:
Just before Section 7.7.1, the documentation claims that
proc x -> f x -<< x+1
is equivalent to
arr (\ x -> (f, x+1)) >>> app

If I understand arrows correctly, this should be
arr (\ x -> (f x, x+1)) >>> app

----------------------------------------------------------------------

>Comment By: Simon Peyton Jones (simonpj)
Date: 2005-04-15 15:54

Message:
Logged In: YES
user_id=50165

Fixed, thank you Ross.

----------------------------------------------------------------------

You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=108032&aid=1183229&group_id=8032


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