Returns HLC timestamp's logical counter
Removes a topmost item off the stack (an HLC timestamp) and pushes its logical counter as a 4-byte big-endian number.
PumpkinDB> HLC DUP HLC/TICK 0x000014A278ED90AB13700000 0x000014A278ED90AB13700001
Allocates for the logical counter to be pushed on stack.
EmptyStack error if there are less than one item on the stack
It will fail if the item is not an HLC timestamp.
lc : HLC HLC/TICK HLC/LC 0x00000001 EQUAL?. invalid_value : [1 HLC/LC] TRY UNWRAP 0x03 EQUAL?. empty_stack : [HLC/LC] TRY UNWRAP 0x04 EQUAL?.