1use crate::{Coordinate, First, Fourth, GridCell, Second, Third};
2
3pub struct Spot {
4 pub coordinate: Coordinate,
5 pub(crate) first: Option<GridCell<First>>,
6 pub(crate) second: Option<GridCell<Second>>,
7 pub(crate) third: Option<GridCell<Third>>,
8 pub(crate) fourth: Option<GridCell<Fourth>>,
9}
10
11impl Spot {
12 pub fn new(coordinate: Coordinate) -> Spot {
13 Spot {
14 coordinate,
15 first: None,
16 second: None,
17 third: None,
18 fourth: None,
19 }
20 }
21
22 pub fn as_first_cell(&mut self) -> &GridCell<First> {
23 if self.first.is_none() {
24 self.first = Some(self.coordinate.first_cell());
25 }
26 self.first.as_ref().unwrap()
27 }
28
29 pub fn as_second_cell(&mut self) -> &GridCell<Second> {
30 if self.second.is_none() {
31 let coordinate = self.coordinate;
32 self.second = Some(coordinate.second_cell(self.as_first_cell()));
33 }
34 self.second.as_ref().unwrap()
35 }
36
37 pub fn as_third_cell(&mut self) -> &GridCell<Third> {
38 if self.third.is_none() {
39 let coordinate = self.coordinate;
40 self.third = Some(coordinate.third_cell(self.as_second_cell()))
41 }
42 self.third.as_ref().unwrap()
43 }
44
45 pub fn as_fourth_cell(&mut self) -> &GridCell<Fourth> {
46 if self.fourth.is_none() {
47 let coordinate = self.coordinate;
48 self.fourth = Some(coordinate.fourth_cell(self.as_third_cell()))
49 }
50 self.fourth.as_ref().unwrap()
51 }
52
53 pub fn to_first_cell(mut self) -> GridCell<First> {
54 self.as_first_cell();
55 self.first.unwrap()
56 }
57
58 pub fn to_second_cell(mut self) -> GridCell<Second> {
59 self.as_second_cell();
60 self.second.unwrap()
61 }
62
63 pub fn to_third_cell(mut self) -> GridCell<Third> {
64 self.as_third_cell();
65 self.third.unwrap()
66 }
67
68 pub fn to_fourth_cell(mut self) -> GridCell<Fourth> {
69 self.as_fourth_cell();
70 self.fourth.unwrap()
71 }
72}