The problem is that the typing system doesnt know ...

# getting-started

[Georg Ekeberg]

The problem is that the typing system doesnt know if a key gives back a value in my map (which I use to store my state):

@Test
fun `Roll returns how many pins are left when rolling 0 twice`() {
    val state = roll(0)
    assertEquals(0, roll(state["pinsLeft"], state["triesLeft"])
}