When I try to compile the following simple program:
public int compare_test (void* a, void* b) {
return 0;
}
public int main (string[] argv) {
List <int> list = new List <int> ();
list.append (3);
list.append (12);
list.append (8);
list.sort (compare_test);
return 0;
}
The Vala code compiles, but I get a warning from the C-compiler:
listsort.c: In function ‘_main’:
listsort.c:28: warning: passing argument 2 of ‘g_list_sort’ from incompatible
pointer type
I can fix it by letting Vala generate C-code, then changing void* in the C-code
to gcoinstpointer. If I do that the C-code compiles without warnings. However,
if I change void* to something else in the Vala-code, it won't compile, giving
this error:
listsort.vala:10.14-10.25: error: Argument 1: Cannot convert from
`compare_test' to `GLib.CompareFunc'
list.sort (compare_test);
^^^^^^^^^^^^
Am I doing something wrong?
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