How to write clear and concise descriptions for Golang function documentation?

To write clear documentation for Go functions, follow convention and use godoc comment syntax. Comment out function names, parameters, and return values, enhance documentation with Markdown markup, and use clear language to clarify the function's purpose and use. Provide specific details, use annotated code examples to demonstrate the function's behavior, and cover error handling.

How to write clear and concise descriptions for Golang function documentation

Clear function documentation is essential for understanding the code base and promoting teamwork It's important. This article will introduce the best practices for writing clear and concise Golang function documentation and provide practical examples.

Follow the convention

• Use godoc comment syntax. Comments must start with // and end with // The end cannot contain a newline character.
• Add comments for function names, parameters and return values.
• Enhance documents with Markdown markup such as headings, lists, and code blocks.

Use clear language

• Use concise and easy-to-understand statements and avoid technical jargon.
• Clarify the purpose and use of the function.
• Provide specific details such as parameter types, return value types, and errors that may be thrown.

Using Code Examples

• Code examples are included to illustrate how the function is used.
• Provide annotated examples whenever possible to highlight the important parts.
• Use actual input and output data to demonstrate the behavior of the function.

Covers error handling

• Describes how a function handles errors, including the types of errors that may be thrown.
• Provides suggestions on how to handle these errors.
• Show how to handle errors in code examples.

Practical case

// Sum returns the sum of two integers.
func Sum(a, b int) int {
    return a + b
}

Related document notes:

// Sum returns the sum of two integers.
//
// Args:
//   a: The first integer.
//   b: The second integer.
//
// Returns:
//   The sum of a and b.
//
// Example:
//   sum := Sum(1, 2)
//   fmt.Println(sum) // Output: 3

Conclusion

By following these best practices, you can write clear and concise documentation for your Golang functions. This will improve code readability, promote collaboration, and reduce errors.

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