Merge branch 'create_hash_map' into 'master'

function to create hash map from Vec<Robot>

See merge request mhart/DancingDroids!42

src/main.rs

@@ -41,6 +41,12 @@ fn check_collisions(r: &robot::Robot, h: &HashMap<robot::Position, u32>) -> Resu
     }
 }
 
+fn create_hash_map(pool: &Vec<robot::Robot>, hash: &mut HashMap<robot::Position, u32>) {
+    for r in pool {
+        hash.insert(robot::Position { x: r.p.x, y: r.p.y }, r.id);
+    }
+}
+
 /// Parse the config file, generate the world and robot pool.
 fn parse_config(conf: String, pool: &mut Vec<robot::Robot>) -> Result<world::World, String> {
     let mut lines = conf.lines();
@@ -209,6 +215,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let mut robot_pool: Vec<robot::Robot> = Vec::new();
     let world: world::World = parse_config(raw_conf, &mut robot_pool)?;
+    let mut hash: HashMap<robot::Position, u32> = HashMap::new();
+    create_hash_map(&robot_pool, &mut hash);
 
     Ok(())
 }