Function Rotate

strutil/string.go:705–729

Rotate rotates the string by the specified number of characters. Play: https://go.dev/play/p/Kf03iOeT5bd

(str string, shift int)

// Rotate rotates the string by the specified number of characters.
// Play: https://go.dev/play/p/Kf03iOeT5bd
func Rotate(str string, shift int) string {
	if shift == 0 {
		return str
	}

	runes := []rune(str)
	length := len(runes)
	if length == 0 {
		return str
	}

	shift = shift % length

	if shift < 0 {
		shift = length + shift
	}

	var sb strings.Builder
	sb.Grow(length)

	sb.WriteString(string(runes[length-shift:]))
	sb.WriteString(string(runes[:length-shift]))

	return sb.String()
}

// TemplateReplace replaces the placeholders in the template string with the corresponding values in the data map.
// The placeholders are enclosed in curly braces, e.g. {key}.