public static Frame Synthetic(Frame th, Cursor parent, string method,
int from, int to, Variable caplist)
{
VarDeque iter = Builtins.start_iter(caplist);
CapInfo ci = null;
while (Kernel.IterHasFlat(iter, true)) {
P6any pair = iter.Shift().Fetch();
Variable k = (Variable)pair.GetSlot("key");
Variable v = (Variable)pair.GetSlot("value");
ci = new CapInfo(ci, new string[] {
k.Fetch().mo.mro_raw_Str.Get(k) }, v);
}
Cursor r = new Cursor(parent.global, parent.save_klass, from, to, ci,
null, method);
th.SetDynamic(th.info.dylex["$*match"], Kernel.NewROScalar(r));
return r.global.CallAction(th, method, r);
}