What are the principles for naming functions in golang?

There are four principles for naming Go functions: Use camel case naming starting with lowercase to keep it short and descriptive. Follow naming conventions and consider readability.

Go function naming Principle

Principle 1: Use camel case nomenclature starting with lowercase

Go function names should use camelCase nomenclature starting with lowercase, for example:

func getUserName() string { /* ... */ }

Principle 2: Keep it short and descriptive

Function names should be short and descriptive so that their meaning is clear at a glance. Avoid using names that are too vague or broad.

// 不佳
func processData(data interface{}) { /* ... */ }

// 较好
func calculateSaldo(transactionData []Transaction) float64 { /* ... */ }

Principle 3: Follow naming conventions

For specific types of functions, established naming conventions should be followed. For example:

• Get The prefix indicates the get method
• Set The prefix indicates the set method
• Validate Suffix indicates verification method

Principle 4: Consider readability

Function names should be easy to read and understand. Avoid using abbreviations or obscure terms.

// 不佳
func gUSN() string { /* ... */ }

// 较好
func GetUniqueSerialNumber() string { /* ... */ }

Practical Case

type User struct {
    Name string
    Age  int
}

// 获取用户的姓名
func getUserName(u User) string {
    return u.Name
}

// 计算用户的年龄
func calculateUserAge(u User) int {
    return u.Age
}

Following these principles can improve the code readability, maintainability and understandability of Go functions.

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