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 Here is the step-by-step guide. Import the “encoding/json” package. Create a struct to represent the JSON data. Create a variable to store the JSON string. Use the “json.Unmarshal()” function 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 format specifier. The “%+v” format specifier prints the struct with field names, making the output more readable. … Read more
Named return parameters are the values a function returns, with their names defined in the function signature. By default, Go functions return their values in the defined order. Go does not support named parameters directly like some other languages, such as Python. However, you can achieve similar functionality by using a “struct” to define the parameters … Read more
Here are three ways to capitalize the first letter in Go: Using strings.Title() method Using byte slice Using unicode.ToUpper() method Method 1: Using strings.Title() method Go strings.Title() method is used to capitalize the first letter of each word in a given string. It returns a new string with all the first letters of words in … 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 “strconv.Itoa()” function returns the string representation of input when integer base 10 value. Syntax func Itoa(i int) string Example package main import ( “fmt” “strconv” ) func main() { data := … 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 Go is to use the “array literal”. An array literal is a sequence of values enclosed in curly braces {} and separated by … Read more
In Go, you can “use the strings.Replace() or strings.ReplaceAll() functions” to remove backslash from a string. The difference between these two functions is that strings.Replace() function accepts an additional argument to specify the number of replacements to make, while strings.ReplaceAll() function replaces all occurrences. Method 1: Using the strings.ReplaceAll() function To remove all backslashes (\) … Read more
To convert a map to string in Go, convert a map to JSON “using json.Marshal() method and then convert JSON to JSON string using the string() method.” Using json.Marshal() function and string() method package main import ( “encoding/json” “fmt” ) func main() { data := map[string]string{ “firstName”: “John”, “lastName”: “Doe”, } jsonData, err := json.Marshal(data) … Read more
To convert a Map object to JSON string in Go, you can use the json.Marshal() function and pass the map object as an argument to the function. It returns json string and an error object. Syntax jsonStr, err := json.Marshal(x) Return value If there is any error while converting, an error object will be assigned … Read more
