Rollup of 7 pull requests #71410
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Rollup of 7 pull requests #71410
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…turn During development, a function could have a return type set that is a bare trait object by accident. We already suggest using either a boxed trait object or `impl Trait` if the return paths will allow it. We now do so too when there are *no* return paths or they all resolve to `!`. We still don't handle cases where the trait object is *not* the entirety of the return type gracefully.
When the return type is `!Sized` we look for all the returned expressions in the body to fetch their types and provide a reasonable suggestion. The tail expression of the body is normally evaluated after checking whether the return type is `Sized`. Changing the order of the evaluation produces undesirable knock down effects, so we detect the specific case that newcomers are likely to encounter ,returning a single bare trait object, and only in that case we evaluate the tail expression's type so that the suggestion will be accurate.
…n, r=varkor Suggest `-> impl Trait` and `-> Box<dyn Trait>` on fn that doesn't return During development, a function could have a return type set that is a bare trait object by accident. We already suggest using either a boxed trait object or `impl Trait` if the return paths will allow it. We now do so too when there are *no* return paths or they all resolve to `!`. We still don't handle cases where the trait object is *not* the entirety of the return type gracefully. Closes rust-lang#38376.
Remove unused rustc_serialize::hex module * Remove unused `rustc_serialize::hex` module * Cleanup `Cargo.toml`
Use assoc int consts3 Define module level int consts with associated constants instead of `min_value()` and `max_value()`. So the code become consistent with what the docs recommend etc. Seems natural. Also remove the last usages of the int module constants from this repo (except src/test/ directory which I have still not really done anything in). Some places were missed in the previous PRs because the code uses `crate::<IntTy>` to reach the constants. This is a continuation of rust-lang#70857 r? @dtolnay
…r=estebank Fix #! (shebang) stripping account space issue rust-lang#70528
…imulacrum Fix stage0.txt version number comment r? @Mark-Simulacrum
Fix incorrect description of E0690 r? @steveklabnik
Clean up E0554 explanation r? @Dylan-DPC
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@bors: r+ p=7 rollup=never |
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📌 Commit 66eaead has been approved by |
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☀️ Test successful - checks-azure |
This was referenced Apr 22, 2020
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Successful merges:
-> impl Traitand-> Box<dyn Trait>on fn that doesn't return #70998 (Suggest-> impl Traitand-> Box<dyn Trait>on fn that doesn't return)Failed merges:
r? @ghost