def suspend_map(self) -> None:
t = IO.suspend(IO.now, 5) / (_ + 1)
target = 'Suspend(Pure(5).map(lambda a: (lambda b: a + b)(1)))'
str(t.step()).should.equal(target)
def suspend(self) -> None:
v = 13
w = 29
f = lambda a: IO.now(a + v)
t = IO.suspend(f, w)
t.run().should.equal(v + w)
def suspend_flat_map(self) -> None:
t = IO.suspend(IO.now, 5) // IO.now
target = 'BindSuspend(now(5).flat_map(now))'
str(t).should.equal(target)
