On Tue, 11 Jun 2013 17:36:24 -0400, Denis Koroskin <2kor...@gmail.com> wrote:

On Tuesday, 11 June 2013 at 16:50:50 UTC, Andrei Alexandrescu wrote:
On 6/11/13 11:57 AM, Steven Schveighoffer wrote:
This code DOES fail:

import std.stdio;

int main()
{
writeln("hello");
std.stdio.stdout.flush();
return 0;
}

Ah, I suspected so. (At a point in D's history writeln() did do a flush; people wanted to eliminate it for efficiency reasons.)

We could introduce a flush() with throw in std.stdiobase.


Andrei

The best solution would be for writeln() to throw on use, and I think it's fairly easy to implement: just flush once after using the file descriptor for the first time, and throw if it fails.

This is a good idea.

I think you meant "just flush once after using the FILE * for the first time"

-Steve

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