rust/src/test/run-pass/unique-send-2.rs

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Rust
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use std;
import comm;
import task;
import uint;
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fn child(c: comm::chan<~uint>, i: uint) {
comm::send(c, ~i);
}
fn main() {
let p = comm::port();
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let ch = comm::chan(p);
let n = 100u;
let mut expected = 0u;
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for uint::range(0u, n) |i| {
task::spawn(|| child(ch, i) );
expected += i;
}
let mut actual = 0u;
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for uint::range(0u, n) |_i| {
let j = comm::recv(p);
actual += *j;
}
assert expected == actual;
}