[Haskell-cafe] Invalid declaration names in TH that typecheck

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Fri Oct 17 12:09:07 EDT 2008

On 2008 Oct 17, at 7:33, Sean Leather wrote:
> Apparently, I can create a function declaration (FunD) with a name  
> containing an invalid sequence of characters. It passes typechecking  
> and compiles. It even shows up in GHCi!

This may be a feature.  Consider that internal functions use # as an  
alphanumeric (via an extension); it can be useful to have names that  
can't be used in ordinary code.

This is an inevitable aspect of being able to program at a level which  
permits symbol table manipulation.

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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.haskell.org/pipermail/haskell-cafe/attachments/20081017/47f07e56/attachment.htm

More information about the Haskell-Cafe mailing list