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using GLib;
static delegate int Maman.ActionCallback (int i);
static delegate void Maman.ActionOutCallback (out int i);
static delegate void Maman.ActionRefCallback (ref int i);
class Maman.Bar : Object {
static int do_action (ActionCallback cb) {
return cb (1);
}
static int do_out_action (ActionOutCallback cb) {
int i;
cb (out i);
return i;
}
static int do_ref_action (ActionRefCallback cb) {
int i = 1;
cb (ref i);
return i;
}
public static int main () {
assert (do_action (i => i * 2) == 2);
assert (do_action (i => { return i * 3; }) == 3);
assert (do_out_action ((out i) => { i = 4; }) == 4);
assert (do_ref_action ((ref i) => { i += 4; }) == 5);
return 0;
}
}
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