How to update Golang function documentation?

How to update Go function documentation? Updating a Go function docstring involves the following steps: Add the docstring before the function declaration, starting and ending with three double quotes. Separate the docstring and function declaration with a pair of blank lines. Describe the purpose of the function. The first line is a brief description and ends with a period. Use "Result" and a colon to mark the returned value. Use "Param" and a colon to mark function parameters. Use paragraphs to describe function behavior in detail, including usage scenarios, limitations, and caveats. Use the "Example" field and code examples to demonstrate function usage.

#How to update Golang function documentation?

Document strings for Go functions are read by developers and explain the functions, usage, and limitations of the function. They are essential for maintaining and scaling the code base.

To update the docstring:

1. Add the docstring before the function declaration. The docstring should start and end with three double quotes. There should be a pair of blank lines after the first quotation mark to separate the docstring and function declaration.
2. Describe the purpose of the function. The first line is a short description of the function, ending with a period.
3. Use fields to list the values ​​returned by the function. is marked with "Result" followed by a colon and the return value type.
4. List the parameters of the function. is marked with "Param" followed by the parameter name, colon, and parameter type.
5. Use paragraphs to describe the function's behavior in detail. Contains detailed information such as usage scenarios, limitations, and precautions.
6. Use code examples to demonstrate how to use functions. You can use the "Example" field, followed by the code example and a blank line.

Practical case:

The following is an example of updating the Greet function documentation string:

// Greet returns a greeting for the given name.
//
// Result:
//   message: The greeting message.
//
// Param:
//   name: The name of the person to greet.
func Greet(name string) (message string) {
    message = "Hello, " + name + "!"
    return
}

// Example:
//
//   greeting := Greet("John")
//   fmt.Println(greeting) // Output: "Hello, John!"

Tip:

• Use the godoc tool to generate documentation and display it on standard output or in an HTML file.
• Keep documentation concise and clear.
• Use Go's linter (such as golint) to ensure that the docstring conforms to the convention.

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