Learn about structs, implimentations

.gitignore

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+/target

Cargo.lock

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+# It is not intended for manual editing.
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Cargo.toml

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+[package]
+name = "cards"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

src/main.rs

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+use rand::Rng;
+use std::fmt;
+use std::vec;
+
+#[derive(Clone, Copy)]
+enum CardSuit {
+    Diamonds,
+    Clubs,
+    Hearts,
+    Spades,
+}
+
+struct PlayingCard {
+    value: u8,
+    suit: CardSuit,
+}
+
+impl fmt::Display for PlayingCard {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let val = match self.value {
+            2 => "Two",
+            3 => "Three",
+            4 => "Four",
+            5 => "Five",
+            6 => "Six",
+            7 => "Seven",
+            8 => "Eight",
+            9 => "Nine",
+            10 => "Ten",
+            11 => "Jack",
+            12 => "King",
+            13 => "Queen",
+            14 => "Ace",
+            _ => "???",
+        };
+
+        let suit = match self.suit {
+            CardSuit::Clubs => "Clubs",
+            CardSuit::Diamonds => "Diamonds",
+            CardSuit::Hearts => "Hearts",
+            CardSuit::Spades => "Spades",
+        };
+
+        write!(f, "{} of {}", val, suit)
+    }
+}
+
+fn draw_card(deck: &mut Vec<PlayingCard>) -> PlayingCard {
+    let num = rand::thread_rng().gen_range(0..deck.len());
+    let card = deck.remove(num);
+
+    card
+}
+
+fn create_deck() -> Vec<PlayingCard> {
+    let mut deck: Vec<PlayingCard> = vec![];
+
+    for s in [
+        CardSuit::Diamonds,
+        CardSuit::Clubs,
+        CardSuit::Hearts,
+        CardSuit::Spades,
+    ] {
+        for i in 2..14 {
+            let card = PlayingCard { suit: s, value: i };
+            deck.insert(0, card);
+        }
+    }
+
+    deck
+}
+
+fn main() {
+    let mut deck = create_deck();
+
+    let card1 = draw_card(&mut deck);
+    let card2 = draw_card(&mut deck);
+
+    println!("Card 1: {}", card1);
+    println!("Card 2: {}", card2);
+}