Card Struct

Added first version of Card struct. Also added an ability for it to be printed out through rust standard functions.

Reviewed-on: #10

src/card.rs

@@ -0,0 +1,36 @@
+use std::fmt;
+
+pub struct Card {
+    pub suit: u8,
+    pub value: u8,
+}
+
+impl fmt::Display for Card {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let value = match self.value {
+            0 => "A",
+            1 => "2",
+            2 => "3",
+            3 => "4",
+            4 => "5",
+            5 => "6",
+            6 => "7",
+            7 => "8",
+            8 => "9",
+            9 => "10",
+            10 => "J",
+            11 => "Q",
+            12 => "K",
+            _ => "",
+        };
+        let suit = match self.suit {
+            0 => "H",
+            1 => "C",
+            2 => "D",
+            3 => "S",
+            _ => "",
+        };
+
+        write!(f, "{}{}", value, suit)
+    }
+}

src/lib.rs

@@ -1,9 +1,9 @@
 use std::error::Error;
 
 mod card;
-mod hand;
 mod deck;
 mod gamestate;
+mod hand;
 
 pub fn run() -> Result<(), Box<dyn Error>> {
     println!("Hello, world!");