func Prefix()

in helper/utils.go [28:46]

• 19 lines of code
• 7 McCabe index (conditional complexity)

func Prefix(arr []string) string {
	if len(arr) == 0 {
		return ""
	}
	index := 0
	for index = 0; index < len(arr[0]); index++ {
		match := true
		for i := 1; i < len(arr); i++ {
			if index >= len(arr[i]) || arr[i][index] != arr[0][index] {
				match = false
				break
			}
		}
		if !match {
			break
		}
	}
	return arr[0][0:index]
}