We can then run the code as: $ go run my.go Finally, we print the returned integer value and its type using the TypeOf function.Next, we check if the function encountered any errors and log them.We then call the Atoi function and pass the my_str as the variable. In the second line, we create a variable called int_var which holds the converted integer.Next, in the main function, we create a variable called my_str holding the string we wish to convert to an int. For this example, we need the fmt, log, reflect, and strconv packages. We start by importing the packages we wish to use in the program. Let us break down the code above to understand how it works. Let us take a simple example as shown in the code snippet below: package mainįmt.Println(int_var, reflect.TypeOf(int_var)) The function takes on the string you wish to convert as the parameter and returns it as a int type. The function syntax is as shown: func Atoi(s string) (int, error) Hence, we need to import it before conversion. This function is provided by the strconv package. The first and most common method we can use to convert a string to an int in Go is the Atoi function. Therefore, get your IDE ready, a cup of coffee and a curious mind and let's dive in. Each character is the string is represented as byte using UTF-8 encoding.ĭue to the UTF-8 encoding, strings in Go can support a wide range of characters and symbols from a variety of languages. In simple terms, it refers to a sequence of characters of varying length. In Go, a string refers to a read-only slice of bytes. In this tutorial, you will come across two techniques you can use to convert a string type into an integer in the Go programming language.
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