| //@ revisions: old new |
| //@[old] edition:2015 |
| //@[new] edition:2021 |
| trait B { fn f(a: A) -> A; } |
| //[new]~^ ERROR expected a type, found a trait |
| //[new]~| ERROR expected a type, found a trait |
| //[old]~^^^ ERROR the trait `A` cannot be made into an object |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN this is accepted in the current edition |
| //[old]~| WARN this is accepted in the current edition |
| //[old]~| WARN this is accepted in the current edition |
| trait A { fn g(b: B) -> B; } |
| //[new]~^ ERROR expected a type, found a trait |
| //[new]~| ERROR expected a type, found a trait |
| //[old]~^^^ ERROR the trait `B` cannot be made into an object |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN trait objects without an explicit `dyn` are deprecated |
| //[old]~| WARN this is accepted in the current edition |
| //[old]~| WARN this is accepted in the current edition |
| //[old]~| WARN this is accepted in the current edition |
| fn main() {} |
