Extend result_map_or_into_option lint to handle Result::map_or_else(|_| None, Some)

[GuillaumeGomez]

Fixes #10365.

As indicated in the title, it extends the result_map_or_into_option lint to handle Result::map_or_else(|_| None, Some).

changelog: extension of the result_map_or_into_option lint to handle Result::map_or_else(|_| None, Some)

r? @blyxyas

[GuillaumeGomez]

Re-assigning to someone else as @blyxyas is busy IRL.

r? @flip1995

[GuillaumeGomez]

I added the None check and extended UI test a bit to ensure it is checked.

[GuillaumeGomez]

Applied your suggestions, the code is much shorter now. :)

[flip1995]

LGTM. r=me with above comment addressed

@bors delegate+

[bors]

✌️ @GuillaumeGomez, you can now approve this pull request!

If @flip1995 told you to "r=me" after making some further change, please make that change, then do @bors r=@flip1995

[GuillaumeGomez]

Updated!

@bors r=@flip1995

[bors]

📌 Commit 1384ebe has been approved by flip1995

It is now in the queue for this repository.

[bors]

⌛ Testing commit 1384ebe with merge 6411456...

[bors]

💔 Test failed - checks-action_test

[GuillaumeGomez]

Failed because of:

 error: actual output differed from expected
Execute `cargo uibless` to update `tests/ui/manual_main_separator_str.stderr` to the actual output
--- tests/ui/manual_main_separator_str.stderr
+++ <stderr output>
-error: taking a reference on `std::path::MAIN_SEPARATOR` conversion to `String`
-  --> $DIR/manual_main_separator_str.rs:21:19
-   |
-LL |     let _: &str = &MAIN_SEPARATOR.to_string();
-   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `std::path::MAIN_SEPARATOR_STR`
-   |
-   = note: `-D clippy::manual-main-separator-str` implied by `-D warnings`
-   = help: to override `-D warnings` add `#[allow(clippy::manual_main_separator_str)]`
-
-error: taking a reference on `std::path::MAIN_SEPARATOR` conversion to `String`
-  --> $DIR/manual_main_separator_str.rs:22:17
-   |
-LL |     let _ = len(&MAIN_SEPARATOR.to_string());
-   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `std::path::MAIN_SEPARATOR_STR`
-
-error: taking a reference on `std::path::MAIN_SEPARATOR` conversion to `String`
-  --> $DIR/manual_main_separator_str.rs:23:23
-   |
-LL |     let _: Vec<u16> = MAIN_SEPARATOR.to_string().encode_utf16().collect();
-   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `std::path::MAIN_SEPARATOR_STR`
-
-error: taking a reference on `std::path::MAIN_SEPARATOR` conversion to `String`
-  --> $DIR/manual_main_separator_str.rs:27:12
-   |
-LL |         f: &MAIN_SEPARATOR.to_string(),
-   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `std::path::MAIN_SEPARATOR_STR`
-
-error: aborting due to 4 previous errors
-

Not related to this PR but just in case I'll rebase.

[GuillaumeGomez]

Ok, let's try again.

@bors r=@flip1995

[bors]

📌 Commit 5d330d0 has been approved by flip1995

It is now in the queue for this repository.

[bors]

⌛ Testing commit 5d330d0 with merge 840e227...

[bors]

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: flip1995
Pushing 840e227 to master...

[GuillaumeGomez]

The rebase fixed it. Oh well. Dark magic.