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Make coroutine-closures possible to be cloned

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This commit is contained in:
Michael Goulet 2024-07-25 14:02:33 -04:00
parent 2d5a628a1d
commit d5656059a1
10 changed files with 120 additions and 21 deletions
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5
compiler/rustc_next_trait_solver/src/solve/assembly/structural_traits.rs
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@ -217,7 +217,10 @@ where
// impl Copy/Clone for Closure where Self::TupledUpvars: Copy/Clone
ty::Closure(_, args) => Ok(vec![ty::Binder::dummy(args.as_closure().tupled_upvars_ty())]),
ty::CoroutineClosure(..) => Err(NoSolution),
// impl Copy/Clone for CoroutineClosure where Self::TupledUpvars: Copy/Clone
ty::CoroutineClosure(_, args) => {
Ok(vec![ty::Binder::dummy(args.as_coroutine_closure().tupled_upvars_ty())])
}
// only when `coroutine_clone` is enabled and the coroutine is movable
// impl Copy/Clone for Coroutine where T: Copy/Clone forall T in (upvars, witnesses)