def write_implementation_defined3(t1: Place) -> Place:
IOExists1(Place)(lambda t2: (
Requires(
token(t1, 2) and write_string_io(t1, "Hello!", t2) and
write_string_io(t1, "Hallo!", t2) and write_string_io(
t1, "Sveikas!", t2)),
Ensures(token(t2) and t2 == Result()),
))
t2 = write_string(t1, "Sveikas!")
return t2
def hello(t1: Place) -> Place:
IOExists1(Place)(
lambda t2: (
Requires(
token(t1, 2) and
write_string_io(t1, "Hello World!", t2)
),
Ensures(
token(t2) and
t2 == Result()
)
)
)
t2 = write_string(t1, "Hello World!")
return t2
def hello2(t1: Place) -> Place:
IOExists1(Place)(
lambda t2: (
Requires(
token(t1, 2) and
write_string_io(t1, "Hello World!", t2)
),
Ensures(
token(t2) and
t2 == Result()
)
)
)
#:: ExpectedOutput(call.precondition:insufficient.permission)
t2 = write_string(t1, "Hello World")
return t2