Proposal #3337: expose Unicode and newline translation from
marlowsd at gmail.com
Mon Jul 6 09:39:34 EDT 2009
On 05/07/2009 13:15, Ian Lynagh wrote:
> On Tue, Jun 30, 2009 at 01:03:17PM +0100, Simon Marlow wrote:
>> * http://www.haskell.org/~simonmar/base/System-IO.html#23
>> System.IO (Unicode encoding/decoding)
> Is it possible to make an
> availableEncodings :: IO [(String, TextEncoding)]
No way that I know of. iconv doesn't give you a way to enumerate the
> Also, mkTextEncoding says that it throws an isDoesNotExistError if the
> named encoding doesn't exist, but the code in base at least looks like
> it throws InvalidArgument on Windows, and nothing on other platforms.
> Perhaps it's different in your tree, though.
It throws NoSuchThing on Windows:
mkTextEncoding e = ioException
(IOError Nothing NoSuchThing "mkTextEncoding"
("unknown encoding:" ++ e) Nothing Nothing)
but on Unix, you're right, there's no exception until the encoding is
instantiated, which happens when a Handle is opened. I'll look into
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