remove unnecessary .as_str() in DefaultMQProducer::start #6316

[voidcommit-afk]

What changed

Refactor in rocketmq-client/src/producer/default_mq_producer.rs (DefaultMQProducer::start, around L695–696) to drop a redundant .as_str().

Before

let producer_group = self.with_namespace(self.producer_config.producer_group.clone().as_str());

After

let producer_group_clone = self.producer_config.producer_group.clone();
let producer_group = self.with_namespace(&producer_group_clone);

Testing

All existing tests pass:

cd rocketmq-client && cargo test

Notes

Pure cleanup. No functional or performance impact.

Fixes #6316

Summary by CodeRabbit

• Refactor
  • Improved internal handling of producer group configuration processing for better code stability.

[rocketmq-rust-bot]

🔊@voidcommit-afk 🚀Thanks for your contribution🎉！

💡CodeRabbit(AI) will review your code first🔥！

Note

🚨The code review suggestions from CodeRabbit are to be used as a reference only, and the PR submitter can decide whether to make changes based on their own judgment. Ultimately, the project management personnel will conduct the final code review💥.

[coderabbitai]

Walkthrough

DefaultMQProducer#start method refactored to clone producer_group into a local variable and pass its reference to with_namespace, replacing the previous .clone().as_str() pattern approach.

Changes

Cohort / File(s)	Summary
Producer Group Reference Handling rocketmq-client/src/producer/default_mq_producer.rs	Refactored producer_group parameter passing in start method by storing cloned value in local variable before passing to with_namespace instead of immediate .clone().as_str() chaining.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 A clone and a reference, so neat,
No string slice gymnastics to repeat,
A local var holds the value tight,
With namespace transforms it just right! 🌟

🚥 Pre-merge checks | ✅ 5 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title accurately describes the main change: removing unnecessary .as_str() in DefaultMQProducer::start method, which matches the refactoring shown in the summary.
Linked Issues check	✅ Passed	The PR fulfills the linked issue #6316 objective by removing the redundant .as_str() call via refactoring to use an intermediate cloned variable with automatic coercion.
Out of Scope Changes check	✅ Passed	All changes are scoped to the DefaultMQProducer::start method in the single affected file, directly addressing the linked issue with no extraneous modifications.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into main

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

---

No actionable comments were generated in the recent review. 🎉

Tip

Issue Planner is now in beta. Read the docs and try it out! Share your feedback on Discord.

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 42.51%. Comparing base (90d2bba) to head (a9081d3).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...ocketmq-client/src/producer/default_mq_producer.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6318   +/-   ##
=======================================
  Coverage   42.51%   42.51%           
=======================================
  Files         911      911           
  Lines      127827   127828    +1     
=======================================
+ Hits        54343    54348    +5     
+ Misses      73484    73480    -4     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[rocketmq-rust-bot]

LGTM - All CI checks passed ✅

[mxsm]

LGTM