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namespace;
include rt, actor;
typecheck on;
actor Counter { int value; fn add(int n) { this.value += n; return this.value; } int handle(int n) { return this.add(n); } }
fn main() {
 actor.Actor<int, int>* a = rt.new(actor.Actor<int, int>), b = rt.new(actor.Actor<int, int>);
 let state = 0, aresult = 0, bresult = 0;
 a.spawn(fn(int n) { state += n; return state; });
 b.spawn(fn(int n) { state += n; return state; });
 a.recv(fn(int n) { aresult = n; return 0; }); b.recv(fn(int n) { bresult = n; return 0; });
 a.send(2); a.send(3); b.send(7); a.await(); b.await();
 rt.put_n(state); rt.put_c(' '); rt.put_n(aresult); rt.put_c(' '); rt.put_n(bresult); rt.put_c(10);
 Counter c; c.value = 0; c.add(4); rt.put_n(c.value); rt.put_c(10);
 a.close(); b.close(); return 0;
}