37 lines
490 B
Go
37 lines
490 B
Go
package optional
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type Uint64 struct {
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isSet bool
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value uint64
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}
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func NewUint64(value uint64) Uint64 {
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return Uint64{
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true,
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value,
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}
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}
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// EmptyUint64 returns a new Uint64 that does not have a value set.
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func EmptyUint64() Uint64 {
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return Uint64{
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false,
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0,
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}
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}
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func (i Uint64) IsSet() bool {
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return i.isSet
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}
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func (i Uint64) Value() uint64 {
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return i.value
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}
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func (i Uint64) Default(defaultValue uint64) uint64 {
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if i.isSet {
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return i.value
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}
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return defaultValue
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}
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