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use dbus::blocking::Connection;
use std::time::Duration;
fn main() -> Result<(), Box<dyn std::error::Error>> {
// First open up a connection to the session bus.
let conn = Connection::new_session()?;
// Second, create a wrapper struct around the connection that makes it easy
// to send method calls to a specific destination and path.
let proxy = conn.with_proxy("org.freedesktop.DBus", "/", Duration::from_millis(5000));
// Now make the method call. The ListNames method call takes zero input parameters and
// one output parameter which is an array of strings.
// Therefore the input is a zero tuple "()", and the output is a single tuple "(names,)".
let (names,): (Vec<String>,) = proxy.method_call("org.freedesktop.DBus", "ListNames", ())?;
// Let's print all the names to stdout.
for name in names { println!("{}", name); }
Ok(())
}
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