rust/tests/ui/traits/trait-upcasting/add-supertrait-auto-traits.rs

16 lines
343 B
Rust

//@ check-pass
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
#![feature(trait_upcasting)]
trait Target {}
trait Source: Send + Target {}
fn upcast(x: &dyn Source) -> &(dyn Target + Send) { x }
fn same(x: &dyn Source) -> &(dyn Source + Send) { x }
fn main() {}