26 lines
531 B
Rust
26 lines
531 B
Rust
// -*- rust -*-
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use std;
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import std::task;
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import std::comm;
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fn sub(parent: comm::chan<int>, id: int) {
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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(bind sub(comm::chan(p), id - 1));
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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(bind sub(comm::chan(p), 200));
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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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