Rollup of 3 pull requests #68363
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Rollup of 3 pull requests #68363
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It's confusing because it conflicts with ty::Const and just isn't generally useful.
…ef, r=Dylan-DPC [const-prop] Remove useless typedef It's confusing because it conflicts with `ty::Const` and just isn't generally useful.
…r=Dylan-DPC Clean up err codes r? @Dylan-DPC
Make iter::Empty<T> Send and Sync for any T Continuing from rust-lang#57682 It's quite funny, when I initially submitted this pull request, I said "Likely nobody will be using that property of `iter::empty`", but then a year later I got a compilation error because it wasn't `Send` and `Sync`. Unfortunately, `PhantomData<fn() -> T>` still errors out. Oh well. I proposed ` struct PhantomFnWorkaround<T>(fn() -> T);`, but dtolnay did not like it, so using explicit implementations.
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@bors r+ rollup=never p=3 |
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📌 Commit d276e69 has been approved by |
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☀️ Test successful - checks-azure |
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r? @ghost