To convert a string to json in Golang, you can “use the json.Unmarshal() or json.Marshal() function with the string() function.” Method 1: Using the json.Unmarshal() function The easiest way to convert a string to json in Go is to use the “json.Unmarshal()” function. Here is the step-by-step guide. Import the “encoding/json” package. Create a struct to … Read more
To convert a struct to a string in Go, you can “use the fmt.Sprintf() function or marshaling the struct into JSON string format”. Method 1: Using the fmt.Sprintf() function The “fmt.Sprintf()” method converts a struct to a string using the function. The “%+v” format specifier is used, which prints the struct with field names, making the … Read more
Here are three ways to convert an integer to a string in Go. Using strconv.Itoa() Using strconv.FormatInt() Using strconv.Sprintf() Method 1: Using Itoa() function The main way to convert an int to a string is to use the “strconv.Itoa()” function. The “strconv.Itoa()” function returns the string representation of input when integer base 10 value. Syntax … Read more
Here are two ways to remove or clear all the elements from an array in Go: Set the elements of an array equal to nil Clear all elements in an array using zero length Method 1: Set the elements of an array equal to nil If you are using slices, you can set them to … Read more
Here are three ways to initialize an array in Go: Using an array literal Using ellipses Initialize special values Method 1: Using an array literal The easiest way to initialize an Array in Golang is to use the “array literal”. An array literal is a sequence of values enclosed in curly braces {} and separated by … Read more
To convert a boolean to a string in Go, you can use the “strconv.FormatBool()” or “fmt.Sprint()” function. Method 1: Using strconv.FormatBool() function You can use the “strconv.FormatBool()” function to convert a boolean to a string. The strconv.FormatBool() function accepts a Boolean value as an argument and returns a string representation of that value. Syntax func FormatBool(x … Read more
Golang math.Floor() function is “used to find the rounded-down or the floor value of a decimal number“. Syntax func Floor(x float64) float64 Parameters x: The function accepts only one argument of type float64. There are some exceptions I would like to mention here. Inf: If you pass an infinite value(±Inf), the return value will be the same … Read more
Golang strconv.ParseInt() function is “used to convert the given string to an integer value in the provided base (0, 2 to 36) and bit size (0 to 64)”. Syntax func ParseInt(str string, base int, bitSize int) (i int64, err error) Parameters str: String to be converted into an integer number. base: The base value of … Read more
To find the index of a string in a Go, you can “use the Strings.Index()” method. The Strings.Index() function returns the index of the first instance of a substring in a given string. If the substring is unavailable in the given string, it returns -1. Syntax func Index(str, substring string) int Parameters str: It is an … Read more
The fmt.Sscan() function in Go is “used to scan the specified texts and store the successive space-separated texts into successive arguments”. Syntax func Sscan(str string, a …interface{}) (n int, err error) Parameters src: The source from where the input is to be taken. This should be an object of type string. a …interface{}: The list of all … Read more