[Haskell-cafe] Re: Weird ghci behaviour?
Brandon S. Allbery KF8NH
allbery at ece.cmu.edu
Wed Nov 14 09:44:39 EST 2007
On Nov 14, 2007, at 3:28 , Simon Peyton-Jones wrote:
> I agree that an informative error message is worth 100 manual
> pages. The trouble is that at this stage GHCi doesn't even *know*
> that 'x' ever existed, because it's not mentioned in the interface
> file, so it's hard to do even give the error message you suggest.
Not really. Include the hint on the first "symbol not found" error
after loading a binary module as a "Perhaps you need to -fforce-
recomp?"; it doesn't really matter if it turns out the symbol-not-
found was actually e.g. a typo.
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university KF8NH
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