Re: [Vala] Feature request: cascade operator

[Nor Jaidi Tuah <norjaidi tuah ubd edu bn>]

> 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);

Good idea. But....

> 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);

... the above is troublesome.

Consider this:
    var x = new X()
       ..y = new Y()
       ..z = new Z();

'z' is ambiguous.
Is that x.z (still cascading the X)
or x.y.z (cascading the Y)


Nice day
Nor Jaidi Tuah






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