copy
Copies the item on top of the stack.
true copy → true true
1 2 copy → 1 2 2
[ 1 2 3 4 5 ] copy → [ 1 2 3 4 5 ] [ 1 2 3 4 5 ]
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copyCopies the item on top of the stack.
true copy → true true
1 2 copy → 1 2 2
[ 1 2 3 4 5 ] copy → [ 1 2 3 4 5 ] [ 1 2 3 4 5 ]