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What warnings or caveats should be included in Golang function documentation?
What warnings or caveats should be included in Golang function documentation?
May 04, 2024 am 11:39 AM
Go function documentation contains warnings and caveats that are essential for understanding potential problems and avoiding errors. These include: Parameter validation warning: Check parameter validity. Concurrency safety considerations: Indicate the thread safety of a function. Performance considerations: Highlight the high computational cost or memory footprint of a function. Return type annotation: Describes the error type returned by the function. Dependency Note: Lists external libraries or packages required by the function. Deprecation warning: Indicates that a function is deprecated and suggests an alternative.
Warnings and Caveats in Go Function Documentation
It is important that Go function documentation contain warnings or caveats. Helps developers understand potential problems with functions and avoid errors. Some common types of warnings and considerations are listed below:
-
Parameter Validation Warning:
- Check the validity of parameters, Such as invalid value or null pointer.
-
Concurrency Safety Notes:
- Indicate whether the function is thread-safe or requires the use of synchronization.
-
Performance Notes:
- Highlight functions with high computational cost or memory footprint and recommend where appropriate Use caching or optimization strategies.
-
Return type comments:
- Clearly describe the error types returned by the function and how to handle them.
-
Dependency Notes:
- List the external libraries or packages required by the function.
-
Deprecation Warning:
- Indicates that the function is deprecated and suggests an alternative.
Practical case
The following is an example of Go function documentation with warnings:
// IsPalindrome returns true if the given string is a palindrome.
//
// A palindrome is a string that reads the same forwards and backwards,
// ignoring spaces, punctuation and letter case.
func IsPalindrome(s string) bool {
s = strings.ToLower(strings.ReplaceAll(s, " ", ""))
for i := 0; i < len(s)/2; i++ {
if s[i] != s[len(s)-i-1] {
return false
}
}
return true
}
Warning Documentation:
// Warning: This function does not handle non-ASCII characters. // For strings containing non-ASCII characters, use the UnicodeIsPalindrome function instead.
This warning reminds developers that this function cannot handle non-ASCII characters. If you need to handle non-ASCII characters, you should use the UnicodeIsPalindrome function.
Conclusion
Adding warnings and caveats to Go functions is critical to writing high-quality and easy-to-use code. By following these guidelines, developers can provide clear function documentation, helping other developers avoid errors and use their code more efficiently.
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