On Wed, 2013-11-20 at 00:53 +0000, Christian Johnson wrote:
I have been exploring and working with vala recently, so far I love it. It's better than even a lot of the "high level" languages I've worked with. I hope this is right place for a feature request, I couldn't find any information on how to submit one.
The bug tracker is the right place for feature requests. Here is the
bug for what you're requesting:
https://bugzilla.gnome.org/show_bug.cgi?id=686562
If people like this idea I may try to hack it together my self, but it would obviously be much easier for the vala developers themselves to do it, having built the whole thing and all. ;-)
This is something that Jürg would have to sign off on, but I don't think he would have any objection. It would be easier, but there is no guarantee that it will happen. The most reliable way to get improvements made to open source software is to submit a patch. And, of course, every time you write a patch you become more familiar with the code base so it's easier to make other improvements in the future.
The cascade operator accesses a property or invokes a method like the "."
operator, but discards the result, and returns the original receiver instead.
In brief, the cascade operator provides syntactic sugar for situations where
the receiver of a method invocation might otherwise have to be repeated.
For example, say ".." is the operator, this:
var object = new Object();
object.method_one(arg);
object.method_two(arg);
object.method_three(arg);
Can be written as this:
new Object()
..method_one(arg)
..method_two(arg)
..method_three(arg);
Another good example is object creation, here's a window being created:
var window = new Window ();
window.title = "Hello, World!";
window.border_width = 10;
window.window_position = WindowPosition.CENTER;
window.set_default_size(350, 70);
This can be simplified to:
var window = new Window ()
..title = "Hello, World!"
..border_width = 10
..window_position = WindowPosition.CENTER
..set_default_size(350, 70);
This operator, in my opinion, creates much cleaner code, and in some cases
can remove the need for additional variables.
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