Great package!

One question: Do you remove/inline type synonyms? I ask because I just ran into 
this with some TH code. I'm looking for types that end with -> a, but that 
fails when type synonyms are involved.

Sjoerd

On Aug 30, 2013, at 2:08 AM, Richard Eisenberg <e...@cis.upenn.edu> wrote:

> I've just uploaded my new th-desugar package, which enables easier processing 
> of Template Haskell source syntax by desugaring it into a much simpler core 
> language. The meaning of the code after desugaring is identical to before 
> desugaring, but the syntax is much simpler. To wit, th-desugar simplifies out 
> all of the following constructs:
> 
> - guarded expressions in both functions and case statements
> - "where" declarations
> - do syntax
> - list/monad comprehensions
> - record creation / updates
> - as patterns
> - non-trivial patterns in a lambda expression
> - lambda-case
> - multi-way if
> - several more
> 
> If you are writing a library that manipulates Template Haskell syntax, you 
> may wish to consider if th-desugar will make your job easier by forcing you 
> to consider fewer cases. The one source Haskell construct supported by 
> Template Haskell but not supported by th-desguar is view patterns, mostly 
> because these interact quite non-trivially with pattern binders. It's 
> possible this hole will be closed in a future version.
> 
> Enjoy!
> Richard
> _______________________________________________
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> Haskell-Cafe@haskell.org
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