| //@ run-pass |
| trait TraitWithSend: Send {} |
| trait IndirectTraitWithSend: TraitWithSend {} |
| |
| // Check struct instantiation (Box<TraitWithSend> will only have Send if TraitWithSend has Send) |
| #[allow(dead_code)] |
| struct Blah { x: Box<dyn TraitWithSend> } |
| impl TraitWithSend for Blah {} |
| |
| // Struct instantiation 2-levels deep |
| #[allow(dead_code)] |
| struct IndirectBlah { x: Box<dyn IndirectTraitWithSend> } |
| impl TraitWithSend for IndirectBlah {} |
| impl IndirectTraitWithSend for IndirectBlah {} |
| |
| fn test_trait<T: Send + ?Sized>() { println!("got here!") } |
| |
| fn main() { |
| test_trait::<dyn TraitWithSend>(); |
| test_trait::<dyn IndirectTraitWithSend>(); |
| } |
