Function RLEncode

compression/rlecoding.go:22–34

RLEncode takes a string and returns its run-length encoding

(data string)

// RLEncode takes a string and returns its run-length encoding
func RLEncode(data string) string {
	var result string
	count := 1
	for i := 0; i < len(data); i++ {
		if i+1 < len(data) && data[i] == data[i+1] {
			count++
			continue
		}
		result += fmt.Sprintf("%d%c", count, data[i])
		count = 1
	}
	return result
}

// RLEdecode takes a run-length encoded string and returns the original string
func RLEdecode(data string) string {