gromopetr:
Hi all,
I've been considering using Haskell for my natural language processing project. Due to its nature, it has much to do with Unicode. Unfortunately, Haskell escapes UTF8 characters. I've been able to output these strings via System.IO.UTF8.putStrLn (though I wish it was less painful), but still there are two problems.
First, I want to pretty-print not only strings, but any structures made of lists and algebraic data types. Their 'show' calls string's 'show' which escapes all UTF8 symbols.
How about a "Pretty" class for unicode text: http://hackage.haskell.org/package/text That might be easy to write.
displays the expected versus actual data, which is fine. But, of course, it doesn't know anything about Unicode, and I can't read escaped strings very well to understand what exactly has failed. I really don't want to write yet another unit test framework only for the sake of UTF8. Is there any way to make Haskell display values containing Unicode strings in a readable way?
Via a new pretty class, similar to Show, but rendering Text values.