coroutine_clone: add comments #134618
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coroutine_clone: add comments #134618
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This PR changes MIR cc @oli-obk, @RalfJung, @JakobDegen, @davidtwco, @celinval, @vakaras |
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r=me after fixing the "corotuine" typos |
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@bors r=lqd |
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…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#134364 (Use E0665 for missing `#[default]` on enum and update doc) - rust-lang#134601 (Support pretty-printing `dyn*` trait objects) - rust-lang#134603 (Explain why a type is not eligible for `impl PointerLike`.) - rust-lang#134618 (coroutine_clone: add comments) - rust-lang#134630 (Use `&raw` for `ptr` primitive docs) - rust-lang#134637 (Flatten effects directory now that it doesn't really test anything specific) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#134618 - RalfJung:coroutine-clone-comments, r=lqd coroutine_clone: add comments I was very surprised to learn that coroutines can be cloned. This has non-trivial semantic consequences that I do not think have been considered. Lucky enough, it's still unstable. Let's add some comments and pointers so we hopefully become aware when a MIR opt actually is in conflict with this. Cc `@rust-lang/wg-mir-opt`
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…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#134364 (Use E0665 for missing `#[default]` on enum and update doc) - rust-lang#134601 (Support pretty-printing `dyn*` trait objects) - rust-lang#134603 (Explain why a type is not eligible for `impl PointerLike`.) - rust-lang#134618 (coroutine_clone: add comments) - rust-lang#134630 (Use `&raw` for `ptr` primitive docs) - rust-lang#134637 (Flatten effects directory now that it doesn't really test anything specific) r? `@ghost` `@rustbot` modify labels: rollup
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I was very surprised to learn that coroutines can be cloned. This has non-trivial semantic consequences that I do not think have been considered. Lucky enough, it's still unstable. Let's add some comments and pointers so we hopefully become aware when a MIR opt actually is in conflict with this.
Cc @rust-lang/wg-mir-opt