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// run-pass
#![allow(unused_must_use)]
#![allow(dead_code)]
#![allow(unused_mut)]
// pretty-expanded FIXME #23616
use std::sync::mpsc::{channel, Sender};
// tests that ctrl's type gets inferred properly
struct Command<K, V> {
key: K,
val: V
}
fn cache_server<K:Send+'static,V:Send+'static>(mut tx: Sender<Sender<Command<K, V>>>) {
let (tx1, _rx) = channel();
tx.send(tx1);
}
pub fn main() { }
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