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Borrow box in rust

Rustacean answered on March 31, 2023 Popularity 2/10 Helpfulness 1/10

answer Borrow box in rust

Borrow box in rust

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#[derive(Debug, Clone, Eq, PartialEq)]
pub struct GameSession {
    pub id: u32,
    pub p1: (String, u16),
    pub p2: (String, u16),
    pub nb_games: u16,
}

impl GameSession {
    pub fn new(id: u32, p1_name: String, p2_name: String, nb_games: u16) -> Box<GameSession> {
        Box::new(GameSession {
            id,
            p1: (p1_name, 0),
            p2: (p2_name, 0),
            nb_games,
        })
    }
    pub fn read_winner(&self) -> (String, u16) {
        // println!("{:?}", self);
        // return the player that is bigger.
        if self.p1.1 > self.p2.1 {
            return self.p1.clone();
        } else if self.p1.1 < self.p2.1 {
            self.p2.clone()
        } else {
            ("Same score! tied".to_string(), self.p2.1)
        }
    }
    pub fn update_score(&mut self, user_name: String) {
        // if game is still ongoing and the username exists (player exists in game), increment their score.
        if self.p1.0 == user_name && self.p2.1 < self.nb_games - self.p2.1 && self.p1.1 < self.nb_games - self.p1.1 {
            self.p1.1 += 1;
        } else if self.p2.0 == user_name && self.p1.1 < self.nb_games - self.p1.1 && self.p2.1 < self.nb_games - self.p2.1 {
            self.p2.1 += 1;
        }
        // else do nothing.
    }
    pub fn delete(self) -> String {
        // Take ownership.
        let owned = Box::new(self);
        String::from(format!("game deleted: id -> {}", owned.id))
    }
}

Popularity 2/10 Helpfulness 1/10 Language rust

Source: Grepper

Tags: borrow box rust

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Contributed on Mar 31 2023

Rustacean

0 Answers Avg Quality 2/10

Borrow box in rust

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