[ISSUE #868]Add a Producer example

[mxsm]

Which Issue(s) This PR Fixes(Closes)

Fixes #868

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

• New Features
  • Added an example configuration for a simple producer in the project documentation, enhancing usability for developers.
  • Introduced a new Rust file demonstrating how to set up and run a RocketMQ producer, allowing users to easily send messages to a topic.

[coderabbitai]

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Walkthrough

The recent updates enhance the RocketMQ client by adding a new example of a simple producer in Rust. This change includes an entry in the Cargo.toml that links to the new source file, which illustrates how to configure and run a message producer. The addition serves as a practical guide for developers to implement message production, improving usability and documentation without impacting existing functionality.

Changes

Files	Change Summary
rocketmq-client/Cargo.toml	Added example configuration for a simple producer.
rocketmq-client/examples/producer/simple_producer.rs	Introduced a Rust file for a basic RocketMQ producer application.

Assessment against linked issues

Objective	Addressed	Explanation
Add a Producer example (#868)	✅

🐰 In the code, a new tale we weave,
A simple producer, you won't believe!
With messages sent on a joyful flight,
Rusty dreams take off into the night.
So hop along, and join the cheer,
RocketMQ shines bright this year! ✨

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[mxsm]

🚀Thanks for your contribution🎉. CodeRabbit(AI) will review your code first🔥

[coderabbitai]

Actionable comments posted: 0

Outside diff range, codebase verification and nitpick comments (1)

rocketmq-client/examples/producer/simple_producer.rs (1)

30-36: Consider adding comments for better readability.

Adding comments to explain the steps in the main function can improve readability and maintainability.

+    // Create a producer builder with default configuration
     let builder = DefaultMQProducer::builder();

+    // Configure the producer with group name and name server address
     let mut producer = builder
         .producer_group(PRODUCER_GROUP.to_string())
         .name_server_addr(DEFAULT_NAMESRVADDR.to_string())
         .build();

Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 85bbbd4 and 84ffc42.

Files selected for processing (2)

• rocketmq-client/Cargo.toml (1 hunks)
• rocketmq-client/examples/producer/simple_producer.rs (1 hunks)

Files skipped from review due to trivial changes (1)

• rocketmq-client/Cargo.toml

Additional comments not posted (4)

rocketmq-client/examples/producer/simple_producer.rs (4)

1-16: License header is correctly formatted.

The license header is consistent with the Apache License, Version 2.0.

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17-20: Import statements are appropriate.

The imported modules are necessary and correctly used in the code.

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22-26: Constant declarations are appropriate.

The constant values are appropriate and follow best practices.

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28-42: Main function logic is correct.

The main function correctly sets up, starts, and shuts down the producer.