27 lines
542 B
Rust
27 lines
542 B
Rust
// -*- rust -*-
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use std;
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import task;
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import comm;
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fn sub(&&args: (comm::chan<int>, int)) {
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let (parent, id) = args;
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if id == 0 {
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comm::send(parent, 0);
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} else {
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let p = comm::port();
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let child = task::spawn((comm::chan(p), id - 1), sub);
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let y = comm::recv(p);
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comm::send(parent, y + 1);
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}
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}
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fn main() {
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let p = comm::port();
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let child = task::spawn((comm::chan(p), 200), sub);
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let y = comm::recv(p);
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log "transmission complete";
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log y;
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assert (y == 200);
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}
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