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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /src/test/ui/generator/clone-impl-async.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/generator/clone-impl-async.rs')
-rw-r--r-- | src/test/ui/generator/clone-impl-async.rs | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/test/ui/generator/clone-impl-async.rs b/src/test/ui/generator/clone-impl-async.rs new file mode 100644 index 000000000..83c51526b --- /dev/null +++ b/src/test/ui/generator/clone-impl-async.rs @@ -0,0 +1,71 @@ +// edition:2021 +// gate-test-generator_clone +// Verifies that feature(generator_clone) doesn't allow async blocks to be cloned/copied. + +#![feature(generators, generator_clone)] + +use std::future::ready; + +struct NonClone; + +fn main() { + let inner_non_clone = async { + let non_clone = NonClone; + let () = ready(()).await; + drop(non_clone); + }; + check_copy(&inner_non_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&inner_non_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied + + let non_clone = NonClone; + let outer_non_clone = async move { + drop(non_clone); + }; + check_copy(&outer_non_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&outer_non_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied + + let maybe_copy_clone = async move {}; + check_copy(&maybe_copy_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&maybe_copy_clone); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied + + let inner_non_clone_fn = the_inner_non_clone_fn(); + check_copy(&inner_non_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&inner_non_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied + + let outer_non_clone_fn = the_outer_non_clone_fn(NonClone); + check_copy(&outer_non_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&outer_non_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied + + let maybe_copy_clone_fn = the_maybe_copy_clone_fn(); + check_copy(&maybe_copy_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Copy` is not satisfied + check_clone(&maybe_copy_clone_fn); + //~^ ERROR the trait bound `impl Future<Output = ()>: Clone` is not satisfied +} + +async fn the_inner_non_clone_fn() { + let non_clone = NonClone; + let () = ready(()).await; + drop(non_clone); +} + +async fn the_outer_non_clone_fn(non_clone: NonClone) { + let () = ready(()).await; + drop(non_clone); +} + +async fn the_maybe_copy_clone_fn() { +} + +fn check_copy<T: Copy>(_x: &T) {} +fn check_clone<T: Clone>(_x: &T) {} |