How does golang return a structure?

How to return a structure in Golang? Specify the structure type in the function signature, such as: func getPerson() Person {}. Use the return {} statement inside the function body to return a structure containing the required fields. Struct fields can be base types or other structures.

How to use Golang to return a structure

In Golang, a structure is an aggregate data type that allows you to Related data are grouped together. Returning a structure is a good choice when you need to return data containing multiple fields from a function.

Syntax

To return a structure, you need to specify the structure type in the function signature. For example:

func getPerson() Person {
    return Person{
        Name:   "John Doe",
        Age:    30,
        Gender: "Male",
    }
}

Person is a structure type that contains the Name, Age, and Gender fields.

Practical case

Let us create a getPersonInfo function that returns a structure containing personal information:

package main

import "fmt"

type Person struct {
    Name   string
    Age    int
    Gender string
}

func getPersonInfo(name string, age int, gender string) Person {
    return Person{
        Name:   name,
        Age:    age,
        Gender: gender,
    }
}

func main() {
    person := getPersonInfo("Jane Doe", 25, "Female")
    fmt.Println(person)
}

Explanation

In this example, the getPersonInfo function receives three parameters and returns a Person structure. main The function calls the getPersonInfo function and prints the returned structure.

Run the example

$ go run main.go
{Jane Doe 25 Female}

This example demonstrates how to use Golang to return a structure and can be used when you need to return data containing multiple fields from a function.

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