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//@ run-pass
#![allow(dead_code)]
use std::{fs, net};
fn assert_both<T: Send + Sync>() {}
fn assert_send<T: Send>() {}
fn main() {
assert_both::<fs::File>();
assert_both::<fs::Metadata>();
assert_both::<fs::ReadDir>();
assert_both::<fs::DirEntry>();
assert_both::<fs::OpenOptions>();
assert_both::<fs::Permissions>();
assert_both::<net::TcpStream>();
assert_both::<net::TcpListener>();
assert_both::<net::UdpSocket>();
assert_both::<net::SocketAddr>();
assert_both::<net::SocketAddrV4>();
assert_both::<net::SocketAddrV6>();
assert_both::<net::Ipv4Addr>();
assert_both::<net::Ipv6Addr>();
}
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