Fixed runtime error when iterating over undefined. (#177)
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1 changed files with 20 additions and 0 deletions
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@ -40,3 +40,23 @@ func (o *Undefined) Equals(x Object) bool {
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func (o *Undefined) IndexGet(index Object) (Object, error) {
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return UndefinedValue, nil
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}
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// Iterate creates a map iterator.
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func (o *Undefined) Iterate() Iterator {
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return o
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}
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// Next returns true if there are more elements to iterate.
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func (o *Undefined) Next() bool {
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return false
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}
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// Key returns the key or index value of the current element.
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func (o *Undefined) Key() Object {
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return o
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}
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// Value returns the value of the current element.
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func (o *Undefined) Value() Object {
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return o
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}
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