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tutorial: Make the comm examples pass

This commit is contained in:
Brian Anderson 2012-01-21 15:25:14 -08:00
parent de150e02ae
commit 98fd120ac1
1 changed files with 7 additions and 4 deletions
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doc/tutorial.md
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@ -2411,7 +2411,6 @@ For example, imagine we wish to perform two expensive computations
in parallel. We might write something like:
~~~~
## xfail-test
# fn some_expensive_computation() -> int { 42 }
# fn some_other_expensive_computation() {}
let port = comm::port::<int>();
@ -2459,9 +2458,10 @@ some other expensive computation and then waiting for the child's result
to arrive on the port:
~~~~
## xfail-test
# fn some_other_expensive_computation() {}
# let port = comm::port::<int>();
# let chan = comm::chan::<int>(port);
# comm::send(chan, 0);
some_other_expensive_computation();
let result = comm::recv(port);
~~~~
@ -2498,9 +2498,12 @@ strified version of the received value, `uint::to_str(value)`.
Here is the code for the parent task:
~~~~
## xfail-test
# fn stringifier(from_par: comm::port<uint>,
# to_par: comm::chan<str>) {}
# to_par: comm::chan<str>) {
# comm::send(to_par, "22");
# comm::send(to_par, "23");
# comm::send(to_par, "0");
# }
fn main() {
let t = task::spawn_connected(stringifier);
comm::send(t.to_child, 22u);