mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-01 06:51:58 +00:00
35 lines
647 B
Rust
35 lines
647 B
Rust
// Test that Copy bounds inherited by trait are checked.
|
|
//
|
|
// revisions: curr object_safe_for_dispatch
|
|
|
|
#![cfg_attr(object_safe_for_dispatch, feature(object_safe_for_dispatch))]
|
|
|
|
|
|
use std::any::Any;
|
|
|
|
trait Foo : Copy {
|
|
fn foo(&self) {}
|
|
}
|
|
|
|
impl<T:Copy> Foo for T {
|
|
}
|
|
|
|
fn take_param<T:Foo>(foo: &T) { }
|
|
|
|
fn a() {
|
|
let x: Box<_> = Box::new(3);
|
|
take_param(&x); //[curr]~ ERROR E0277
|
|
//[object_safe_for_dispatch]~^ ERROR E0277
|
|
}
|
|
|
|
fn b() {
|
|
let x: Box<_> = Box::new(3);
|
|
let y = &x;
|
|
let z = &x as &dyn Foo;
|
|
//[curr]~^ ERROR E0038
|
|
//[curr]~| ERROR E0038
|
|
//[object_safe_for_dispatch]~^^^ ERROR E0038
|
|
}
|
|
|
|
fn main() { }
|