Re: Why function does not work with delegate

[Adam D. Ruppe via Digitalmars-d-learn]

On Wednesday, 22 May 2019 at 22:33:52 UTC, Alex wrote:

    auto x = (GdkEventButton* e, Widget w) ...
    X.addOnButtonPress(x);

Why is x not a delegate?

Because you didn't ask for one and it didn't have to be.

Just add the delegate keyword to ask for one:

auto x = delegate(GdkEventButton* e, Widget w) {};
         ^^^^^^^^