Release of v0.3.0

Steven Schveighoffer schveiguy at
Fri Jul 31 13:31:26 UTC 2020

On 7/31/20 5:20 AM, WebFreak001 wrote:
> On Sunday, 26 July 2020 at 17:09:07 UTC, Steven Schveighoffer wrote:
>> I have released a minor improvement to [1], which adds support 
>> for opening the standard handles (stdin, stdout, stderr) [2].
>> In order to make this work, I also had to add a feature to IOs that 
>> allows you to temporarily use a file descriptor/handle [3].
>> As of now, it hasn't updated on, but it should be soon.
>> With this, I'm going to focus next on making an iopipe/io layer that 
>> can replace write[f]ln and friends.
>> [1]
>> [2]
>> [3]
> very cool, will this replace std.stdio? Will there be an API similar to 
> the old one for upgrading?

I should clarify that when I say "replace" I mean become a viable choice 
to replace usage in user code. I don't think Phobos will move away from 
its current design.

The hope is that it's written well enough that it could be the basis for 
low-level i/o in D 3rd party projects. For example, I'd love to see 
projects like vibe.d and hunt fit together on the same i/o subsystem. 
Then you can pick whichever library you want, or use multiple libraries, 
and they all work together with the same i/o framework.

std.stdio is a one-stop-shop for one specific i/o implementation (C's 
FILE * i/o). I don't know if there's a way to replace it. I have thought 
of it in the past, and the issues are hairy.

> I know on Windows low level Console output is very different from File 
> output, is a console API in scope for or would that rather be a 
> new module? It could also handle code page setup and console mode and 
> stuff there.

Doing console programming might fit in this library, but there is 
nothing there yet. If you have ideas, please start a github issue on it.

I still need to add pipes, and unix sockets.


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