2DROP
Drops two topmost items off the top of the stack
Input stack: a b
Output stack: -
In this example, two items (1 and 2) are dropped from the stack,
leaving the third element on the top of the stack.
PumpkinDB> 0 1 2 2DROP
0
Allocation
None
Errors
EmptyStack error if there are less than two items available on the stack
Tests
2drop_drops_two_items : 1 2 2DROP STACK LENGTH 0 EQUAL?.
2drop_requires_two_items_0 : [2DROP] TRY UNWRAP 0x04 EQUAL?.
2drop_requires_two_items_1 : [1 2DROP] TRY UNWRAP 0x04 EQUAL?.