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Tweak binop errors #73674

Merged
merged 3 commits into from
Jun 26, 2020
Merged

Tweak binop errors #73674

merged 3 commits into from
Jun 26, 2020

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estebank
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* Suggest potentially missing binop trait bound (fix rust-lang#73416)
* Use structured suggestion for dereference in binop
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r? @davidtwco

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jun 24, 2020
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Error improvements look good, handful of comments.

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* deduplicate logic
* fix typos
* remove unnecessary state
@estebank estebank force-pushed the op-trait-bound-suggestion branch from d098f3c to 09af184 Compare June 24, 2020 21:23
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Verify that the binop trait *is* implemented for the types *if* all the
involved type parameters are replaced with fresh inferred types. When
this is the case, it means that the type parameter was indeed missing a
trait bound. If this is not the case, provide a generic `note` refering
to the type that doesn't implement the expected trait.
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LGTM, thanks!

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@bors r+

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bors commented Jun 25, 2020

📌 Commit 8f40dae has been approved by davidtwco

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 25, 2020
Manishearth added a commit to Manishearth/rust that referenced this pull request Jun 26, 2020
… r=davidtwco

Tweak binop errors

* Suggest potentially missing binop trait bound (fix rust-lang#73416)
* Use structured suggestion for dereference in binop
bors added a commit to rust-lang-ci/rust that referenced this pull request Jun 26, 2020
…arth

Rollup of 14 pull requests

Successful merges:

 - rust-lang#72617 (Add a fast path for `std::thread::panicking`.)
 - rust-lang#72738 (Self contained linking option)
 - rust-lang#72770 (Implement mixed script confusable lint.)
 - rust-lang#73418 (Add unstable `core::mem::variant_count` intrinsic)
 - rust-lang#73460 (Emit line info for generator variants)
 - rust-lang#73534 (Provide suggestions for some moved value errors)
 - rust-lang#73538 (make commented examples use valid syntax, and be more consistent )
 - rust-lang#73581 (Create 0766 error code)
 - rust-lang#73619 (Document the mod keyword)
 - rust-lang#73621 (Document the mut keyword)
 - rust-lang#73648 (Document the return keyword)
 - rust-lang#73673 (Fix ptr doc warnings.)
 - rust-lang#73674 (Tweak binop errors)
 - rust-lang#73687 (Clean up E0701 explanation)

Failed merges:

 - rust-lang#73708 (Explain move errors that occur due to method calls involving `self` (take two))

r? @ghost
@bors bors merged commit 7fb7765 into rust-lang:master Jun 26, 2020
@cuviper cuviper added this to the 1.46 milestone May 2, 2024
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Suggest PartialEq bound for binary operation == error
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