public override void Iterate(MemberIterator iter, Action<Int32, Expr> action) {
iter.InBrace();
for (Int32 i = 0; i < this.initrs.Count; ++i) {
this.initrs[i].Iterate(iter, action);
if (i != this.initrs.Count - 1) {
iter.Next();
}
}
iter.OutBrace();
}
}