def pre_counter(contract: Contract, counter: GhostVariable):
n = contract.fresh_var(i32, "n")
contract.precondition_f("{n} < 128")
contract.ghost_value(counter, n)
return n
def pre_counter(contract: Contract, counter: GhostVariable):
n = contract.fresh_var(i32, "n")
contract.precondition(n < cryptol("128"))
contract.ghost_value(counter, n)
return n
def post_counter(contract: Contract, counter: GhostVariable, n: CryptolTerm):
contract.ghost_value(counter, cry_f("{n} + 1"))
def post_counter(contract: Contract, counter: GhostVariable, n: CryptolTerm):
contract.ghost_value(counter, cryptol("(+)")(n, cryptol("1")))
