decouples meals generation

cookbook/src/lib.rs

@@ -2,6 +2,13 @@ mod meal;
 
 pub use self::meal::Meal;
 
+pub fn fetch_meals() -> Vec<Meal> {
+    vec![
+        Meal::new("Raclette".to_string(), 800),
+        Meal::new("Soupe".to_string(), 400),
+    ]
+}
+
 #[cfg(test)]
 mod tests {
     #[test]

cookbook/src/meal.rs

@@ -7,7 +7,7 @@ pub struct Meal {
 }
 
 impl Meal {
-    pub fn new(name: String, nutritional_value: i32) -> Meal {
+    pub(super) fn new(name: String, nutritional_value: i32) -> Meal {
         Meal { name, nutritional_value }
     }