On 24 October 2013 01:01, Alex Crichton a...@crichton.co wrote:
We're entertaining the idea of removing conditions, so the `writeln!`
macro and related `write!` functions will probably all return a
`Result(), ~Error` or whatever the generic error type becomes.
Just from the IO module, or the
Conditions don't require language support, IIRC, they're just a
library. So even if they were totally removed, you could still use
them.
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Right now the file I/O isn't quite what I think we want it to be in
the end, but otherwise that is roughly the code which you'll want to
write. It could be slightly shortened like this:
use std::rt::io::Writer;
use std::rt::io::file::FileInfo;
use std::rt::io;
let mut stream =
use std::rt::io::File;
let mut stream = File::create(test.txt);
writeln!(mut stream, test {}, {}, {aa}, 1, 3.0, aa=2);
Which I think looks a lot better than before! I would love to not have
to write `mut stream` or have something like `stream.write!(foo, bar,
baz)`, but I
On Wed, Oct 23, 2013 at 8:47 AM, Alex Crichton a...@crichton.co wrote:
With these changes, the code would look like:
use std::rt::io::File;
let mut stream = File::create(test.txt);
writeln!(mut stream, test {}, {}, {aa}, 1, 3.0, aa=2);
How would errors be handled in this
Are macros possible in traits?
Right now the grammar does not allow for this, and it may be difficult
to do so (I don't think that we're going to change that in the near
future)
Object coercion would be great, is that a planned feature?
I believe so. I thought there was a bug open already,
On 10/23/13 9:43 AM, Diggory Hardy wrote:
use std::rt::io::File;
let mut stream = File::create(test.txt);
writeln!(mut stream, test {}, {}, {aa}, 1, 3.0, aa=2);
Which I think looks a lot better than before! I would love to not have
to write `mut stream` or have something like
