src/test/ui/unsized/return-unsized-from-trait-method.rs

   1 // ignore-tidy-linelength
   2
   3 // regression test for #26376
   4
   5 trait Foo {
   6     fn foo(&self) -> [u8];
   7 }
   8
   9 fn foo(f: Option<&dyn Foo>) {
  10     if let Some(f) = f {
  11         let _ = f.foo();
  12         //~^ ERROR cannot move a value of type [u8]: the size of [u8] cannot be statically determined
  13     }
  14 }
  15
  16 fn main() { foo(None) }