mirror of https://github.com/rust-lang/rust
10 lines
401 B
Rust
10 lines
401 B
Rust
//@ revisions: old new
|
|
//@[old] edition:2015
|
|
//@[new] edition:2021
|
|
fn call_this<F>(f: F) : Fn(&str) + call_that {}
|
|
//~^ ERROR return types are denoted using `->`
|
|
//~| ERROR cannot find trait `call_that` in this scope
|
|
//[old]~| WARN trait objects without an explicit `dyn` are deprecated
|
|
//[old]~| WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
|
|
fn main() {}
|