Here is the step-by-step guide to converting struct fields to map in Go: Use the “reflect” package to inspect the struct’s fields. Iterate over the struct’s fields, retrieving the field name and value. Store each field name and value in a map. Example package main import ( “fmt” “reflect” ) type Person struct { Name … 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 os.Lstat() function is “used to get information about a file, without following symbolic links”. It accepts the name as an argument and returns the fileinfo struct. Syntax func Lstat(name string) (FileInfo, error) Parameters name: It is the file or directory name for which you want to get the information. Return value The Lstat() function returns a FileInfo … Read more
To get the current working directory in Go, use the “os.Getwd()” or “filepath.Abs(‘.’)” function. The current working directory is the directory in which a process starts, and it is usually the directory in which the current program or executable file is located. Method 1: Using the os.Getwd() function The os.Getwd() function is used to “get the … Read more
A type assertion in Golang is “used to provide access to an interface value’s underlying concrete value”. A type assertion does not convert an interface to another data type. Instead, it provides access to the underlying concrete value of the interface. This is normally what you want, as it allows you to work with the … Read more
To check if a string is alphanumeric in Go, you can use the “MustCompile() along with MatchString()” functions or the “IsLetter() along with isDigit()” functions. Method 1: Using MustCompile() along with MatchString() functions The regexp.MustCompile() function in Go is “used to compile a regular expression and returns a Regexp object.” If the regular expression does not … 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
Here are the 6 ways to trim a string in Golang. Using the “TrimSpace()” Function Using the “Trim()” Function Using the “TrimLeft()” Function Using the “TrimRight()” Function Using the “TrimSuffix()” Function Using the “TrimPrefix()” Function Method 1: Using the strings.TrimSpace() Function The easiest way to trim a string in Go is to use the “strings.TrimSpace()” … 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
