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Golang program to iterate different types of data structures using the range

Here, we are going to learn how to iterate different types of data structures using the range in Golang (Go Language)?
Submitted by Nidhi, on March 25, 2021 [Last updated : March 04, 2023]

Iterating different types of data structures using the range in Golang

Problem Solution:

In this program, we will create an integer array and a map. Then we will iterate elements of the array and map using the range.

Program/Source Code:

The source code to iterate different types of data structures using range is given below. The given program is compiled and executed successfully.

Golang code to iterate different types of data structures using the range

// Golang program to iterate different types of // data structures using the range package main import "fmt" func main() { intArr := []int{10, 20, 30, 40, 50} var CountryCode = make(map[string]int) CountryCode["ind"] = 101 CountryCode["aus"] = 102 CountryCode["eng"] = 103 CountryCode["pak"] = 104 CountryCode["usa"] = 105 fmt.Printf("\nArray elements: ") for index, val := range intArr { fmt.Printf("\nIntArr[%d] : %d", index, val) } fmt.Printf("\nMap elements: ") for Key, Value := range CountryCode { fmt.Printf("\n%s : %d", Key, Value) } }

Output:

Array elements:
IntArr[0] : 10
IntArr[1] : 20
IntArr[2] : 30
IntArr[3] : 40
IntArr[4] : 50
Map elements:
pak : 104
usa : 105
ind : 101
aus : 102
eng : 103

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 to formatting related functions.

In the main() function, we created an integer array and a map. Here, we accessed elements of the array and CountryCode map to print on the console screen.

Golang Range Programs »




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