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1 use core::fmt; |
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2 |
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3 /*** Card ****/ |
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4 #[derive(Debug)] |
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5 pub struct Card { |
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6 pub value: i8, |
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7 pub points: i8, |
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8 } |
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9 |
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10 impl Card { |
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11 pub fn new(value: i8)->Self { |
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12 |
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13 let mut points = 0; |
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14 if value % 10 == 5 { |
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15 // ends with 5 = 2 point |
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16 points = 2; |
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17 // println!("*5 add 1, val={}, pt={}", value, points); |
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18 } |
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19 |
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20 if value % 10 == 0 { |
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21 // ends with 0 = 3 point |
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22 points = 3; |
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23 // println!("*0 add 2, val={}, pt={}", value, points); |
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24 } |
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25 |
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26 if value % 10 == value / 10 { |
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27 // same numbers = 5 points (55=7) |
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28 points += 5; |
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29 // println!("NN add 5, val={}, pt={}", value, points); |
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30 } |
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31 |
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32 if points == 0 { |
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33 points = 1; |
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34 } |
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35 |
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36 Card { |
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37 value, |
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38 points, |
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39 } |
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40 } |
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41 } |
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42 |
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43 impl fmt::Display for Card { |
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44 fn fmt( &self, f: &mut fmt::Formatter ) -> fmt::Result { |
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45 write!(f, "(Card {}, points {})", self.value, self.points) |
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46 } |
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47 } |
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48 |
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49 impl PartialEq for Card { |
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50 fn eq(&self, other: &Self) -> bool { |
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51 self.value == other.value |
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52 } |
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53 } |
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54 |
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55 impl Eq for Card {} |
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56 |
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57 impl PartialOrd for Card { |
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58 fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> { |
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59 match self.value.partial_cmp(&other.value) { |
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60 Some(core::cmp::Ordering::Equal) => {None} |
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61 ord => return ord, |
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62 } |
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63 } |
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64 } |
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65 |
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66 impl Ord for Card { |
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67 fn cmp(&self, other: &Self) -> std::cmp::Ordering { |
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68 self.value.cmp(&other.value) |
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69 } |
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70 } |