Update on GHC 6.12.1

[scooter.phd at gmail.com]

Is there a good motivating example for recursive do? So far, I haven't grokked the various use cases, which are pretty terse. Maybe the syntax sugar gets in the way (dangling lets are a good case in point).

It's a bit like grokking a Monad: it's the way to alter state, through a chain of binds, culminating in a return, where values can't escape outside the Monad itself. Using IO as the example w/the (hidden) realworld parameter makes the explanation more opaque than it need be.


-scooter
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-----Original Message-----
From: Greg Fitzgerald <garious at gmail.com>
Date: Thu, 29 Oct 2009 10:24:23 
To: Simon Peyton-Jones<simonpj at microsoft.com>
Cc: GHC users<glasgow-haskell-users at haskell.org>
Subject: Re: Update on GHC 6.12.1

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