mirror of https://github.com/rust-lang/rust
22 lines
417 B
Rust
22 lines
417 B
Rust
//@ run-pass
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#![allow(unused_must_use)]
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//@ pretty-expanded FIXME #23616
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//@ needs-threads
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use std::sync::mpsc::{channel, Sender};
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use std::thread;
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fn start(tx: &Sender<Sender<isize>>) {
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let (tx2, _rx) = channel();
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tx.send(tx2).unwrap();
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}
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pub fn main() {
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let (tx, rx) = channel();
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let child = thread::spawn(move|| {
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start(&tx)
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});
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let _tx = rx.recv().unwrap();
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child.join();
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}
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