tests/hold/accept/isolated_globals.zc


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// expect: 0 3
// a plain global is each actor's own; only a shared variable of a hold block is seen by all
namespace;
include rt, actor;
typecheck on;
let plain = 0;
hold { shared let seen = 0; fn note() { seen++; return seen; } fn seen_now() { return seen; } }
int work(int n) { plain = plain + n; note(); return plain; }
fn main() {
    actor.Actor<int,int>* a = rt.new(actor.Actor<int,int>), b = rt.new(actor.Actor<int,int>), c = rt.new(actor.Actor<int,int>);
    a.spawn(work); b.spawn(work); c.spawn(work);
    a.send(5); b.send(6); c.send(7);
    a.recv(fn(int n) { return 0; }); b.recv(fn(int n) { return 0; }); c.recv(fn(int n) { return 0; });
    a.await(); b.await(); c.await();
    rt.put_n(plain); rt.put_c(' '); rt.put_n(seen_now()); rt.put_c(10);
    a.close(); b.close(); c.close();
    return 0;
}