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single_char_insert_str: lint using insert_str() on single-char literals and suggest insert() #6037

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merged 5 commits into from
Nov 3, 2020
Merged

single_char_insert_str: lint using insert_str() on single-char literals and suggest insert() #6037

merged 5 commits into from
Nov 3, 2020

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matthiaskrgr
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Fixes #6026

changelog: add single_char_insert_str lint which lints using string.insert_str() with single char literals and suggests string.insert() with a char

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r? @ebroto

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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 Sep 13, 2020
ebroto
ebroto suggested changes Sep 20, 2020
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Sorry for the delay in reviewing, I did not have access to my computer during this week.

In the related issue you were thinking about extending single_char_push_str, but ended up adding a new lint. Out of curiosity, what made you change your mind? (I'm fine with both options).

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@ebroto ebroto added S-waiting-on-author Status: This is awaiting some action from the author. (Use `@rustbot ready` to update this status) and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties labels Sep 21, 2020
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I made it a separate lint because this way users could disable push_str and insert_str independently but it's probably better to just make it one lint since the patterns are so similar.

@matthiaskrgr matthiaskrgr force-pushed the single_char_insert branch 2 times, most recently from 9f5d8bb to 956a847 Compare September 24, 2020 14:40
@matthiaskrgr matthiaskrgr added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties and removed S-waiting-on-author Status: This is awaiting some action from the author. (Use `@rustbot ready` to update this status) labels Sep 24, 2020
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I've added some remarks after the unification of the lints

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@ebroto ebroto added S-waiting-on-author Status: This is awaiting some action from the author. (Use `@rustbot ready` to update this status) and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties labels Sep 24, 2020
@ebroto ebroto force-pushed the single_char_insert branch from 956a847 to 4b90e0d Compare October 7, 2020 22:04
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ebroto commented Oct 7, 2020

I've addressed the remaining remarks in the PR.

r? @flip1995 for my changes

@rust-highfive rust-highfive assigned flip1995 and unassigned ebroto Oct 7, 2020
flip1995
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bors commented Oct 30, 2020

☔ The latest upstream changes (presumably #6197) made this pull request unmergeable. Please resolve the merge conflicts.

Note that reviewers usually do not review pull requests until merge conflicts are resolved! Once you resolve the conflicts, you should change the labels applied by bors to indicate that your PR is ready for review. Post this as a comment to change the labels:

@rustbot modify labels: +S-waiting-on-review -S-waiting-on-author

matthiaskrgr and others added 4 commits October 30, 2020 23:28
@matthiaskrgr @ebroto
single_char_push_str lint using insert_str() on single-char literals …
2350ee7 
…and suggest insert()

changelog: single_char_push_str: lint using string.insert_str() with single char literals and suggests string.insert() with a char

Fixes rust-lang#6026
@matthiaskrgr @ebroto
handle macros returning Strings in single_char_push_str and single_ch…
c6412ae 
…ar_insert_str
@matthiaskrgr @ebroto
get_hint_if_single_char_arg: fix bug where multi-char letters are not…
c1eb8ce 
… detected properly
@ebroto
Rename single_char_push_str to single_char_add_str
d958269
@ebroto ebroto force-pushed the single_char_insert branch from 4b90e0d to d958269 Compare October 30, 2020 22:33
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flip1995 commented Nov 3, 2020

@bors r+

Thanks!

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bors commented Nov 3, 2020

📌 Commit f8ac1f9 has been approved by flip1995

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bors commented Nov 3, 2020

⌛ Testing commit f8ac1f9 with merge 3ee9c2e...

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bors commented Nov 3, 2020

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: flip1995
Pushing 3ee9c2e to master...

@bors bors merged commit 3ee9c2e into rust-lang:master Nov 3, 2020
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single-char-push-str: expand to catch insert_str(n, "x") and suggest insert()
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