Re: [Vala] valasemanticanalyzer error

[Martin DeMello <martindemello gmail com>]

Note also that this dies in a different place in 0.92 (last tagged
release before the "generic delegates support" feature):

$ valac --pkg gee-1.0 test.vala
test.vala:23.37-23.37: error: Argument 1: Cannot convert from `G' to `int'
        a.map( (i) => { return "%d".printf(i); }, b);
                                           ^
Compilation failed: 1 error(s), 0 warning(s)

martin

On Tue, Aug 17, 2010 at 6:09 PM, Martin DeMello <martindemello gmail com> wrote:
> What do I need to do to get the following code to compile? It dies with
>
> $ valac --pkg gee-1.0 test.vala
> **
> ERROR:valasemanticanalyzer.c:2948:vala_semantic_analyzer_get_actual_type:
> assertion failed: (instance_type != NULL)
> Aborted
>
>
> # -------------------------------------------------------
> using Gee;
>
> public interface Enumerable<G, T> : Iterable {
>
>        public delegate T DFunc(G elem);
>
>        public void map(DFunc fn, Gee.List<T> acc) {
>                foreach (G i in this) {
>                        acc.add(fn(i));
>                }
>        }
> }
>
> public class EnumerableList<G, T> : Gee.ArrayList<G>, Enumerable<G, T> {
> }
>
> public static int main(string[] args) {
>        var a = new EnumerableList<int, string> ();
>        a.add(1);
>        a.add(2);
>        a.add(3);
>        var b = new Gee.ArrayList<string> ();
>        a.map( (i) => { return "%d".printf(i); }, b);
>        foreach (string i in b) {
>                println(i);
>        }
>
>        return 0;
> }
>
> #----------------------------------------------------
>
>
> martin