decouples meals generation

planner/src/bin/weekly.rs

@@ -1,7 +1,7 @@
 //! The weekly menu planner
 //!
 
-use cookbook::Meal;
+use cookbook::{Meal, fetch_meals};
 use planner::solver::{Variables, Domain, solve_all};
 
 
@@ -11,10 +11,7 @@ fn generate_weekly_menu() -> String {
         ("MardiMidi".to_string(), None), ("MardiSoir".to_string(), None),
         ("MercrediMidi".to_string(), None), ("MercrediSoir".to_string(), None),
     ].iter().cloned().collect();
-    let meals: Domain<Meal> = Domain::new(vec![
-        Meal::new("Raclette".to_string(), 800),
-        Meal::new("Soupe".to_string(), 400),
-    ]);
+    let meals: Domain<Meal> = Domain::new(fetch_meals());
     let validator = |vars: &Variables<Meal>| {
         let mut result = true;
         for day in ["Lundi", "Mardi", "Mercredi"].into_iter() {

planner/src/solver.rs

@@ -1,7 +1,11 @@
+//! # Solver
+//!
+//! Provides `Variables`, `Domain` structs and `solve_all` function.
 use std::fmt;
 use std::clone::Clone;
 use std::collections::HashMap;
 
+/// An assignments map of variables
 pub type Variables<'a, V> = HashMap<String, Option<&'a V>>;
 
 enum Assignment<'a, V> {
@@ -10,6 +14,7 @@ enum Assignment<'a, V> {
 }
 
 
+/// The domain of values that can be assigned to variables
 #[derive(Clone)]
 pub struct Domain<V> {
     values: Vec<V>