action_result

Conclusion of an action-reaction cycle.

Types

The reason why the round has ended without a win.

pub type AbortReason {
  NineKinds
  WallExhausted
  NagashiMangan
  FourKan
  FourWind
  FourRiichi
  DoubleRon
  TripleRon
}

```
NineKinds
```
Nine kinds of terminals has been declared by a player. No reactions are possible. The round is terminated.
```
WallExhausted
```
No more tiles can be drawn from the wall. Penalties payments may apply. Can be preempted by ron and all other aborts.
```
NagashiMangan
```
Special case of WallExhausted. Treated as penalties payments.
```
FourKan
```
Four kans. Either:
- Player attempted to call the 5th kan, and all 5 are by the same player.
- Player attempted to call the 4th kan, and all 4 are NOT by the same player. Can be preempted by ron. Kakan and ankan can also be preempted because of chankan.
```
FourWind
```
Four consecutive discards of the same wind since the start of the round. Cannot be preempted.
```
FourRiichi
```
All four players are under active riichi. Can be preempted by ron.
```
DoubleRon
```
Two players declared ron on the same tile. Can be triggered as a (rare) rule variation of TripleRon, see Ruleset.
```
TripleRon
```
Three players declared ron on the same tile. Preempts all other abort reasons.

</>

pub type ActionResult {
  Pass
  CalledBy(player.Player)
  Agari(agari.AgariKind)
  Abort(AbortReason)
}

```
Pass
```
The action has successfully taken place without any reaction.
```
CalledBy(player.Player)
```
A meld (chii/pon/daiminkan) has been called by another player. Kakan and ankan do not count.
```
Agari(agari.AgariKind)
```
At least one player has won, either by ron or by tsumo.
```
Abort(AbortReason)
```
The round has ended without a win.