2ROT
Rotate the top three pairs on the stack bringing pair a b to the top of the stack.
Input stack: a b c d e f
Output stack: c d e f a b
PumpkinDB> 1 2 3 4 5 6 2ROT
3 4 5 6 1 2
Allocation
None
Errors
EmptyStack error if there are less than six items on the stack
Tests
works : 1 2 3 4 5 6 2ROT STACK [3 4 5 6 1 2] EQUAL?.
empty_stack : [2ROT] TRY UNWRAP 0x04 EQUAL?.
empty_stack_1 : [1 2ROT] TRY UNWRAP 0x04 EQUAL?.
empty_stack_2 : [1 2 2ROT] TRY UNWRAP 0x04 EQUAL?.
empty_stack_3 : [1 2 3 2ROT] TRY UNWRAP 0x04 EQUAL?.
empty_stack_4 : [1 2 3 4 2ROT] TRY UNWRAP 0x04 EQUAL?.
empty_stack_5 : [1 2 3 4 5 2ROT] TRY UNWRAP 0x04 EQUAL?.