Re: String != [Char]

Can the unicode experts here propose a Text API whose functions work for all Unicode (start by removing list functions)? If there is such a satisfactory API and it does not conflict with the Prelude we could use it unqualified. On Mon, Mar 26, 2012 at 10:21 AM, Johan Tibell wrote:

On Mon, Mar 26, 2012 at 10:12 AM, Ian Lynagh wrote:

...

I am very unicode-ignorant, so apologies if I have misunderstood something, but doesn't Text do the same thing?

Prelude T> import Data.Text.IO as T Prelude T T> T.putStrLn (T.take 5 (T.pack "Fro\x0308hßen")) Fröh

Maybe your point is that neither "take" function should be used with unicode strings, but I don't see how advocating the Text type is going to help with that.

We already covered this. Text inherited a list-based API, even if that sometimes doesn't make sense.

To work with Unicode you need more specific functions for different tasks. Text only implements a few so far, like case conversion and case-less comparison, and asks you to use text-icu for the rest.

-- Johan

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