Re: String != [Char]

On Sat, Mar 24, 2012 at 08:38:23PM +0000, Thomas Schilling wrote:

On 24 March 2012 20:16, Ian Lynagh wrote:

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Correctness ==========

Using list-based operations on Strings are almost always wrong

Data.Text seems to think that many of them are worth reimplementing for Text. It looks like someone's systematically gone through Data.List.

That's exactly what happened as part of the platform inclusion process. In fact, there was quite a bit of bike shedding whether the Text API should be compatible with the list API or not. In the end the decision was made to add all the list functions even if that encouraged running into unicode issues. I'm pretty sure you participated in that discussion.

As far as I remember, a few functions were added to text and bytestring during that, but mostly the discussion was about naming. Even in the first 0.1 release of bytestring: http://hackage.haskell.org/packages/archive/text/0.1/doc/html/Data-Text.html there is a large amount of Data.List covered, e.g. map, transpose, foldl1', minimum, mapAccumR, groupBy. Thanks Ian