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Golang program to return a structure from the user-defined function

Here, we are going to learn how to return a structure from the user-defined function in Golang (Go Language)?
Submitted by Nidhi, on March 10, 2021

Problem Solution:

In this program, we will create a structure and then assign the values to structure members and return the object of structure from the user-defined function InitStruct().

Program/Source Code:

The source code to return a structure from the user-defined function is given below. The given program is compiled and executed successfully.

// Golang program to return a structure from the
// user-defined function

package main

import "fmt"

// Declaration of structure
type Student struct {
	Id   int
	Name string
	Fees int
}

func InitStruct() Student {
	var stu Student

	stu.Id = 101
	stu.Name = "Kapil"
	stu.Fees = 12000

	return stu
}

func main() {
	var obj Student

	obj = InitStruct()

	fmt.Printf("Student Information:")
	fmt.Printf("\n\tStudent Id     : %d", obj.Id)
	fmt.Printf("\n\tStudent Name   : %s", obj.Name)
	fmt.Printf("\n\tStudent Fees   : %d", obj.Fees)
}

Output:

Student Information:
        Student Id     : 101
        Student Name   : Kapil
        Student Fees   : 12000

Explanation:

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the fmt package that includes the files of package fmt then we can use a function related to the fmt package.

// Declaration of structure
type Student struct { 
Id int
Name string 
Fees int 
} 

func InitStruct()Student{     
    var stu Student

    stu.Id=101
    stu.Name="Kapil"
    stu.Fees=12000
    
    return stu
}

In the above code, we created a structure Student and defined a user-defined function that initialized the members of the structure and returns the object of structure to the calling function.

In the main() function, we created object obj of structure and initialized the object obj using InitStruct() function. After that, we printed the value of structure members on the console screen.

Golang User-defined Function Programs »



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