namespace;
include rt;

// methods on generic structs: each set of type arguments gets its own copy
struct pt { int x, y; };
struct table<K, V> {
	int n; K* keys; V* vals;
	fn init(int cap) {
		this.n = 0;
		this.keys = rt.new(K, cap) as K*;
		this.vals = rt.new(V, cap) as V*;
		return 0;
	}
	fn put(K k, V v) {
		this.keys[this.n] = k;
		this.vals[this.n] = v;
		this.n++;
		return this.n;
	}
	fn width() { return sizeof(K) * 10 + sizeof(V); }
	fn total() {
		int s = 0;
		for (int i = 0; i < this.n; i++) s += this.vals[i];
		return s;
	}
};
int main() {
	table<int, int> a;
	a.init(8);
	a.put(1, 10); a.put(2, 20); a.put(3, 30);
	rt.put_n(a.n); rt.put_c(' '); rt.put_n(a.total()); rt.put_c(' '); rt.put_n(a.width()); rt.put_c(' ');
	table<pt, int>* b = rt.new(table<pt, int>);
	b.init(4);
	rt.put_n(b.width()); rt.put_c(' ');
	table<int, pt>* c = rt.new(table<int, pt>);
	c.init(4);
	rt.put_n(c.width()); rt.put_c(10);
	return 0;
}