72 lines
2.5 KiB
Rust
72 lines
2.5 KiB
Rust
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// edition:2021
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// gate-test-generator_clone
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// Verifies that feature(generator_clone) doesn't allow async blocks to be cloned/copied.
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#![feature(generators, generator_clone)]
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use std::future::ready;
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struct NonClone;
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fn main() {
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let inner_non_clone = async {
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let non_clone = NonClone;
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let () = ready(()).await;
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drop(non_clone);
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};
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check_copy(&inner_non_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Copy` is not satisfied
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check_clone(&inner_non_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Clone` is not satisfied
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let non_clone = NonClone;
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let outer_non_clone = async move {
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drop(non_clone);
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};
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check_copy(&outer_non_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Copy` is not satisfied
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check_clone(&outer_non_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Clone` is not satisfied
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let maybe_copy_clone = async move {};
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check_copy(&maybe_copy_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Copy` is not satisfied
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check_clone(&maybe_copy_clone);
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//~^ ERROR the trait bound `impl Future<Output = [async output]>: Clone` is not satisfied
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let inner_non_clone_fn = the_inner_non_clone_fn();
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check_copy(&inner_non_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied
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check_clone(&inner_non_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied
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let outer_non_clone_fn = the_outer_non_clone_fn(NonClone);
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check_copy(&outer_non_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied
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check_clone(&outer_non_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied
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let maybe_copy_clone_fn = the_maybe_copy_clone_fn();
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check_copy(&maybe_copy_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied
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check_clone(&maybe_copy_clone_fn);
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//~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied
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}
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async fn the_inner_non_clone_fn() {
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let non_clone = NonClone;
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let () = ready(()).await;
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drop(non_clone);
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}
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async fn the_outer_non_clone_fn(non_clone: NonClone) {
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let () = ready(()).await;
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drop(non_clone);
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}
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async fn the_maybe_copy_clone_fn() {
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}
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fn check_copy<T: Copy>(_x: &T) {}
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fn check_clone<T: Clone>(_x: &T) {}
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