review: change Die to enum to handle range and value list in the future

01.workspace/oxidice_lib/src/imp/die_roll.rs

@@ -2,7 +2,12 @@ use crate::*;
 
 impl Die {
     pub fn roll(&self) -> i32 {
-        let mut rng = rand::rng();
-        rng.random_range(1..=self.sides) as i32
+        fn roll_sides(sides: u16) -> i32 {
+            let mut rng = rand::rng();
+            rng.random_range(1..=sides) as i32
+        }
+        match self {
+            Die::Sides(sides) => roll_sides(*sides),
+        }
     }
 }