33 lines
420 B
Go
33 lines
420 B
Go
package object
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var NULL = Null{}
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type Null struct{}
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func (n Null) Bool() bool {
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return false
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}
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func (n Null) Type() Type {
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return NullType
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}
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func (n Null) Inspect() string {
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return "null"
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}
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func (n Null) String() string {
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return n.Inspect()
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}
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func (n Null) LogicalNot() Object {
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return Boolean{!n.Bool()}
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}
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func (n Null) Compare(other Object) int {
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if _, ok := other.(Null); ok {
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return 0
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}
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return 1
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}
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