mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-02 18:27:37 +00:00
f1fb323dda
If we ever start testing every edition, using a new keyword unnecessarily will cause divergent output, so pre-emptively change `gen` into `generator`.
22 lines
615 B
Rust
22 lines
615 B
Rust
//@compile-flags: --diagnostic-width=300
|
|
// gate-test-coroutine_clone
|
|
// Verifies that static coroutines cannot be cloned/copied.
|
|
// This is important: the cloned coroutine would reference state of the original
|
|
// coroutine, leading to semantic nonsense.
|
|
|
|
#![feature(coroutines, coroutine_clone, stmt_expr_attributes)]
|
|
|
|
fn main() {
|
|
let generator = #[coroutine]
|
|
static move || {
|
|
yield;
|
|
};
|
|
check_copy(&generator);
|
|
//~^ ERROR Copy` is not satisfied
|
|
check_clone(&generator);
|
|
//~^ ERROR Clone` is not satisfied
|
|
}
|
|
|
|
fn check_copy<T: Copy>(_x: &T) {}
|
|
fn check_clone<T: Clone>(_x: &T) {}
|