// Test traits

trait Foo {
    fn bar(x: i32) -> Baz<U> {
        Baz::new()
    }

    fn baz(a: AAAAAAAAAAAAAAAAAAAAAA, b: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB) -> RetType;

    fn foo(a: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA, // Another comment
           b: BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB)
           -> RetType; // Some comment

    fn baz(&mut self) -> i32;

    fn increment(&mut self, x: i32);

    fn read(&mut self, x: BufReader<R> /* Used to be MemReader */) where R: Read;
}

pub trait WriteMessage {
    fn write_message(&mut self, &FrontendMessage) -> io::Result<()>;
}

trait Runnable {
    fn handler(self: &Runnable);
}

trait TraitWithExpr {
    fn fn_with_expr(x: [i32; 1]);
}

trait Test {
    fn read_struct<T, F>(&mut self, s_name: &str, len: usize, f: F) -> Result<T, Self::Error>
        where F: FnOnce(&mut Self) -> Result<T, Self::Error>;
}

trait T {}