I agree that it is union that you want here, however, it is interesting to note
that Peter just recently implemented list concatenation using the & operator in
LCB. This might have been applicable if you were working with ordered
numerically indexed arrays. I’ve been thinking lately about commands for lists
in LCS that could work equally well for items, lines and elements of 1…N
arrays. Things like:
push <value> onto {front | back} {item | line | element} of <list>
pop from {front | back} {item | line | element} of <list> [into <var>]
append <list> to {items | lines | elements} of <list>
Here <list> is either a string or a 1…N indexed array.
Unfortunately I think we would need an explicit append command rather than
using a concatenation operator or put after/before because of the way arrays
are silently converted to empty strings.
Cheers
Monte
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