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Golang sort.StringsAreSorted() Function with Examples

Golang | sort.StringsAreSorted() Function: Here, we are going to learn about the StringsAreSorted() function of the sort package with its usages, syntax, and examples.
Submitted by IncludeHelp, on September 14, 2021

sort.StringsAreSorted()

The StringsAreSorted() function is an inbuilt function of the sort package which is used to check whether the given slice of strings (string type of elements) is sorted in increasing order or not.

It accepts a parameter (x []string) and returns true if x is sorted in ascending order; false, otherwise.

Syntax:

func StringsAreSorted(x []string) bool

Parameter(s):

  • x : The slice of strings is to be checked whether sorted or not.

Return Value:

The return type of the StringsAreSorted() function is a bool, it returns true if the given slice of strings is sorted in ascending order; false, otherwise.

Example 1:

// Golang program to demonstrate the
// example of sort.StringsAreSorted() Function

package main

import (
	"fmt"
	"sort"
)

func main() {
	x := []string{"Banana", "Apple", "Cat", "Mango"}
	fmt.Println("x:", x)
	fmt.Println("sort.StringsAreSorted(x):",
		sort.StringsAreSorted(x))
	fmt.Println()

	x = []string{"City", "Creta", "Tigor", "Venue"}
	fmt.Println("x:", x)
	fmt.Println("sort.StringsAreSorted(x):",
		sort.StringsAreSorted(x))
}

Output:

x: [Banana Apple Cat Mango]
sort.StringsAreSorted(x): false

x: [City Creta Tigor Venue]
sort.StringsAreSorted(x): true

Example 2:

// Golang program to demonstrate the
// example of sort.StringsAreSorted() Function

package main

import (
	"fmt"
	"sort"
)

func main() {
	x := []string{"Banana", "Apple", "Cat", "Mango"}
	fmt.Println("x:", x)

	// Checking whether x is sorted or not,
	// if not sorted then sorting the x, and printing
	if sort.StringsAreSorted(x) == true {
		fmt.Println("Elements are already sorted")
	} else {
		fmt.Println("Elements are not sorted")
		fmt.Println("Sorting....")
		sort.Strings(x)
		fmt.Println("Sorting done.")
		fmt.Println("x:", x)
	}
	fmt.Println()

	x = []string{"City", "Creta", "Tigor", "Venue"}
	fmt.Println("x:", x)

	// Checking whether x is sorted or not,
	// if not sorted then sorting the x
	// and printing
	if sort.StringsAreSorted(x) == true {
		fmt.Println("Elements are already sorted")
	} else {
		fmt.Println("Elements are not sorted")
		fmt.Println("Sorting....")
		sort.Strings(x)
		fmt.Println("Sorting done.")
		fmt.Println("x:", x)
	}
}

Output:

x: [Banana Apple Cat Mango]
Elements are not sorted
Sorting....
Sorting done.
x: [Apple Banana Cat Mango]

x: [City Creta Tigor Venue]
Elements are already sorted

Golang sort Package »


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