Is this actually valid code?

Steven Schveighoffer schveiguy at yahoo.com
Mon Nov 7 04:37:52 PST 2011


On Sun, 06 Nov 2011 23:10:57 -0500, Andrej Mitrovic  
<andrej.mitrovich at gmail.com> wrote:

> I've had a simple problem where I've only wanted to override a setter
> from a base class:
>
> class Foo
> {
>     @property void test(int) {}
>     @property int test() { return 1; }
> }
>
> class Bar : Foo
> {
>     override @property void test(int) {}
>     void bartest() { auto x = test; }  // NG
> }
>
> test.d(19): Error: function test.Bar.test (int _param_0) is not
> callable using argument types ()
>
> So I thought I'd be clever:
>
> class Foo
> {
>     @property void test(int) {}
>     @property int test() { return 1; }
> }
>
> class Bar : Foo
> {
>     alias super.test test;
>     override @property void test(int) {}
>     void bartest() { auto x = test; }
> }
>
> And it actually works! Is this a documented feature?

http://www.d-programming-language.org/function.html#function-inheritance

Look at the third example/description.

-Steve


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