def test_doall():
s = []
fn_calls = repeatedly(partial(_side_effecter, s), 5)
assert doall(fn_calls) == list(fn_calls)
assert s == [0, 0, 0, 0, 0]
def test_dorun():
s = []
assert dorun(repeatedly(partial(_side_effecter, s), 5)) is None
assert s == [0, 0, 0, 0, 0]