Re: [Haskell-cafe] GHC rendering of non-ASCII characters configurable?

On 31 July 2012 21:01, Richard Cobbe wrote:

On Mon, Jul 30, 2012 at 11:45:38PM +1000, Ivan Lazar Miljenovic wrote:

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On 30 July 2012 04:04, Richard Cobbe wrote:

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I'm working on an application that involves processing a lot of Unicode data, and I'm finding the built-in Show implementation for Char to be really inconvenient. Specifically, it renders all characters at U+0080 and above with decimal escapes:

Prelude> '\x80' '\128'

This is annoying because all of the Unicode charts give the code points in hex, and indeed the charts are split into different PDFs at numbers that are nice and round in hex but not in decimal. So in order to figure out which character I'm looking at, I have to convert back to hex and then look it up in the charts.

Can I ask what you're doing here? Are you printing individual characters or entire chunks of text?

Mostly, I'm working with expressions of type String, rather than Text;

Any particular reason why? Using Text will probably solve your problem and give you a performance improvement at the same time. -- Ivan Lazar Miljenovic Ivan.Miljenovic@gmail.com http://IvanMiljenovic.wordpress.com