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- package optional
- type Int struct {
- isSet bool
- value int
- }
- func NewInt(value int) Int {
- return Int{
- true,
- value,
- }
- }
- // EmptyInt returns a new Int that does not have a value set.
- func EmptyInt() Int {
- return Int{
- false,
- 0,
- }
- }
- func (i Int) IsSet() bool {
- return i.isSet
- }
- func (i Int) Value() int {
- return i.value
- }
- func (i Int) Default(defaultValue int) int {
- if i.isSet {
- return i.value
- }
- return defaultValue
- }
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