How to Convert a Slice to a String in Go

The Go standard library provides the strings.Join() method for efficiently concatenating the elements of a string slice into a single string, using a specified delimiter. Below is an example of how to use it:

package main

import (

func main() {
	s := []string{"I", "am", "a", "special", "one"}
	fmt.Println(strings.Join(s, " ")) // I am a special one

In strings.Join(), the first parameter is the slice of strings, and the second is the delimiter. The function combines the elements of the slice into a single string, inserting the delimiter between each element. In the example above, a space is used as the delimiter. However, you can use any string as a delimiter, such as a pipe with spaces:

fmt.Println(strings.Join(s, " | ")) // I | am | a | special | one

For cases where you don’t require any separation between the strings, simply pass an empty string as the delimiter:

fmt.Println(strings.Join(s, "")) // Iamaspecialone

And if you need to revert back from a single string to a slice of strings, strings.Split() is the function to use.

Thanks for reading, and happy coding!