The maximum value for an int type in the Golang is defined by the size of a type specified by the specification. The maximum int value depends on the int size on the platform where the Golang code is executing. To get the maximum value of the int64 type, use math.MaxInt64 constant. Two predeclared integer … Read more
Golang math.Min() is a built-in function from the math package that returns the smaller of two float64 values. To add a math package to your program, use the import keyword to access the Min() function. How to find a minimum of two numbers in Golang To find a minimum of two numbers in Golang, you … Read more
To merge the maps in Golang, you can use the for loop to traverse over one map and append its key-value pairs to the second map. To either replace or keep the second map’s values, you can use this approach. package main import ( “fmt” ) func main() { map1 := map[string]int{ “bdy_kl”: 10, “eno_kl”: 21, … Read more
To find an absolute value in Golang, you can use the math.Abs() function. The math.Abs() is a built-in Golang function that accepts a single argument, which is a floating-point number, and returns the absolute value of that number. To use the Abs() function in your script file, you must import the math package and access … Read more
There are the following methods to pretty print json in Golang. Method 1: Using json.MarshalIndent() function Method 2: Using json.Indent() function Method 3: Using Encoder.SetIndent() function Method 1: Using json.MarshalIndent() The easiest way to pretty print json in Golang is to use the json.MarshalIndent() method. The json.MarshalIndent() function takes in the interface we want to … Read more
Go package-level variable is a variable that is defined outside of any function or method. A package-level variable is visible to all functions and methods within the package and can be accessed using the variable’s name. package main import ( “fmt” ) var data int = 21 func main() { fmt.Println(data) } Output 21 We defined … Read more
Golang escape backtick To use a backtick(`) character within a string literal in Golang, escape it using a backslash (`\) to create the string literal instead of backticks. Example package main func main() { multi_str := `This is a raw string literal with multiple lines and include special characters without having to escape them.` print(multi_str) … Read more
Golang time.parse() is a built-in function used to parse a string representation of a date and time and return the corresponding time.Time value. It takes two arguments: a layout string that specifies the format of the input string and the input string that represents the date and time you need to parse. Syntax func Parse(layout, value … Read more
To get the absolute path of a file or directory in Golang, you can use the filepath.Abs() function. The filepath.Abs() is a built-in function that accepts a path as input and returns the file’s absolute path or directory. An absolute path is a complete path to a file or directory that confines the exact location of the file … Read more
Go does not support named parameters directly like some other languages, such as Python. However, you can achieve a similar effect by using a struct to define the parameters and then passing an instance of that struct to the function. This makes the function call more explicit and easier to understand. Example package main import … Read more