func (this *Range) Copy() *Range {
return &Range{
Low: expression.CopyExpressions(this.Low),
High: expression.CopyExpressions(this.High),
Inclusion: this.Inclusion,
}
}
func (this *Span) Copy() *Span {
return &Span{
Seek: expression.CopyExpressions(this.Seek),
Range: *(this.Range.Copy()),
}
}