add fn display_grid skeleton

niktoi

@@ -0,0 +1,2 @@
+niktoi
+

src/main.rs

@@ -198,6 +198,22 @@ fn open_file(filename: &str) -> io::Result<String> {
     Ok(content)
 }
 
+fn display_grid(h: HashMap<>, ){
+    for (i=0;j<xmax;++j){
+        for(r.p.x == j && r.p.y==i){
+            match some(hash.get(position{x: j, y: i})) => 
+                match robot_pool[id-1].o { 
+                "N" => println!("fleche du haut"),
+                "E" => println!("fleche a droite"),
+                "W" => println!("fleche a gauche"),
+                "S" => println!("fleche en bas"),
+
+                },
+            None => println!("."),
+            
+        }
+    }
+}
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     // We handle CLI flags here.
     let matches = App::new("DancingDroids")