Fixes to std::rt::io::file documentation.#9505
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amatus wants to merge 1 commit intorust-lang:masterfrom
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Fixes to std::rt::io::file documentation.#9505amatus wants to merge 1 commit intorust-lang:masterfrom amatus:for-upstream
amatus wants to merge 1 commit intorust-lang:masterfrom
amatus:for-upstream
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The example code was not importing the right symbols.
Author
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Turns out: no. Also turns out that most of these examples are out of date and don't compile for various reasons. I did not know I'd be opening a can of worms. |
Contributor
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@amatus what's the status on this? |
Member
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Closing due to a lack of activity, feel free to reopen if these get fixed though! |
djkoloski
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Sep 21, 2022
Fix ICE in `unnecessary_to_owned` Fixes rust-lang#9504 Compiler generated call `into_future` nodes return empty substs which we need when checking it's predicates. Handle this by simply exitting when we encounter one. This change introduces false negatives in place of the ICEs. changelog: [`unnecessary_to_owned`]: fix ICE
flip1995
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Dec 17, 2022
Fix 10021 This PR proposes a fix for rust-lang#10021. The problem is similar to the one that `@mikerite` described in rust-lang#9505. The compiler is generating an empty substitution for a call, even though the type of `Self` seems to be needed for a predicate. In `@mikerite's` case, the call was to [`IntoFuture::into_future`](https://doc.rust-lang.org/std/future/trait.IntoFuture.html#tymethod.into_future). In this case, the call is to [`Try::branch`](https://doc.rust-lang.org/std/ops/trait.Try.html#tymethod.branch). The proposed fix is to verify that the parameter whose type is changing has an index within the substitution. The strikes me as a reasonable approach, since if the check were to fail, the following code would be a no-op: https://github.com/rust-lang/rust-clippy/blob/4c123a06ba3c2ec17d3a4dfa251dccdc5368b712/clippy_lints/src/methods/unnecessary_to_owned.rs#L420-L428 Like `@mikerite's` original solution, this solution turns ICEs into false negatives. changelog: fix `unnecessary_to_owned` false positive involving `Try::branch`
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The example code was not importing the right symbols.