Empty VS null array?

[H. S. Teoh]

On Mon, Oct 21, 2013 at 10:40:14AM +0100, Regan Heath wrote:
> On Fri, 18 Oct 2013 17:36:28 +0100, Dicebot <public at dicebot.lv> wrote:
> 
> >On Friday, 18 October 2013 at 15:42:56 UTC, Andrei Alexandrescu wrote:
> >>That's bad API design, pure and simple. The function should e.g.
> >>return the string including the line terminator, and only return
> >>an empty (or null) string upon EOF.
> >
> >I'd say it should throw upon EOF as it is pretty high-level
> >convenience function.
> 
> I disagree.  Exceptions should never be used for flow control so the
> rule is to throw on exceptional occurrences ONLY not on something
> that you will ALWAYS eventually happen.
[...]

	while (!file.eof) {
		auto line = file.readln(); // never throws
		...
	}


T

-- 
There are two ways to write error-free programs; only the third one works.