// Continue kindck-send-object1.rs. fn assert_send() { } trait Dummy { } fn test50() { assert_send::<&'static dyn Dummy>(); //~^ ERROR `&'static (dyn Dummy + 'static)` cannot be sent between threads safely [E0277] } fn test53() { assert_send::>(); //~^ ERROR `dyn Dummy` cannot be sent between threads safely } // ...unless they are properly bounded fn test60() { assert_send::<&'static (dyn Dummy + Sync)>(); } fn test61() { assert_send::>(); } fn main() { }