enumer/testdata/tostring_offset.golden

const _NumberName = "OneTwoThree"

var _NumberIndex = [...]uint8{0, 3, 6, 11}

const _NumberLowerName = "onetwothree"

func (i Number) String() string {
	i -= 1
	if i < 0 || i >= Number(len(_NumberIndex)-1) {
		return fmt.Sprintf("Number(%d)", i+1)
	}
	return _NumberName[_NumberIndex[i]:_NumberIndex[i+1]]
}

// ToString converts Number to an int-based string and returns it.
func (i Number) ToString() string {
	return strconv.Itoa(int(i))
}

// An "invalid array index" compiler error signifies that the constant values have changed.
// Re-run the stringer command to generate them again.
func _NumberNoOp() {
	var x [1]struct{}
	_ = x[One-(1)]
	_ = x[Two-(2)]
	_ = x[Three-(3)]
}

var _NumberValues = []Number{One, Two, Three}

var _NumberNameToValueMap = map[string]Number{
	_NumberName[0:3]:       One,
	_NumberLowerName[0:3]:  One,
	_NumberName[3:6]:       Two,
	_NumberLowerName[3:6]:  Two,
	_NumberName[6:11]:      Three,
	_NumberLowerName[6:11]: Three,
}

var _NumberNames = []string{
	_NumberName[0:3],
	_NumberName[3:6],
	_NumberName[6:11],
}

// NumberString retrieves an enum value from the enum constants string name.
// Throws an error if the param is not part of the enum.
func NumberString(s string) (Number, error) {
	if val, ok := _NumberNameToValueMap[s]; ok {
		return val, nil
	}

	if val, ok := _NumberNameToValueMap[strings.ToLower(s)]; ok {
		return val, nil
	}
	return 0, fmt.Errorf("%s does not belong to Number values", s)
}

// NumberValues returns all values of the enum
func NumberValues() []Number {
	return _NumberValues
}

// NumberStrings returns a slice of all String values of the enum
func NumberStrings() []string {
	strs := make([]string, len(_NumberNames))
	copy(strs, _NumberNames)
	return strs
}

// IsANumber returns "true" if the value is listed in the enum definition. "false" otherwise
func (i Number) IsANumber() bool {
	for _, v := range _NumberValues {
		if i == v {
			return true
		}
	}
	return false
}