On Saturday, 4 October 2014 at 15:29:57 UTC, John Colvin wrote:
On Saturday, 4 October 2014 at 11:19:52 UTC, ketmar via Digitalmars-d-learn wrote:
On Sat, 04 Oct 2014 11:01:28 +0000
John Colvin via Digitalmars-d-learn <digitalmars-d-learn@puremagic.com>
wrote:

On Saturday, 4 October 2014 at 10:38:32 UTC, ketmar via Digitalmars-d-learn wrote:
> On Sat, 04 Oct 2014 10:27:16 +0000
> John Colvin via Digitalmars-d-learn > <digitalmars-d-learn@puremagic.com>
> wrote:

I don't really see the point though.

class A
{
    void foo(int a) { Afoo(this, a); }
}

then declare and define Afoo however you like.

That's hackish, bad and convoluted. And it does not/should not allow one to mess with the private fields of the class, especially if Afoo is defined in another module.

And on that matter, a function that is to be provided by another module should be explicitly marked as such in its declaration.

Otherwise, I could declare a function, forget to provide its definition, still having the surprise that the code compiles and runs with very strange results because some other module provides a function that just happens to work.

Let's not even say how messy this could get with version() where you could disable a function definition by error, in one version, but still have a software that compiles and runs nowhere.

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