1 // ignore-tidy-linelength
2 #![feature(box_into_boxed_slice)]
7 let boxed_slice = Box::new([1,2,3]) as Box<[u8]>;
8 let _ = Box::into_boxed_slice(boxed_slice);
9 //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time
10 //~^^ ERROR the size for values of type `[u8]` cannot be known at compilation time
11 let boxed_trait: Box<dyn Debug> = Box::new(5u8);
12 let _ = Box::into_boxed_slice(boxed_trait);
13 //~^ ERROR the size for values of type `dyn std::fmt::Debug` cannot be known at compilation time
14 //~^^ ERROR the size for values of type `dyn std::fmt::Debug` cannot be known at compilation time