Copy - Function Summary
Returns a copy of a value.
value - Usually a series (must be: series port bitset)
/part - Limits to a given length or position.
range - The range argument. (must be: number series port pair)
/deep - Also copies series values within the block.
Be sure to use COPY on any string or block literal values in your code if you expect to modify them.
For series, the /PART refinement will copy a given number of values (specified as either a count or as an ending series position).
change - Changes a value in a series and returns the series after the change.