add mut to the pool O_o

src/main.rs

@@ -21,17 +21,18 @@ mod robot;
 mod world;
 
 /// Parse the config file, generate the world and robot pool.
-fn parse_config(raw_conf: String, pool: &Vec<robot::Robot>) -> Result<world::World, &'static str> {
-    let mut lines = raw_conf.lines();
+fn parse_config(conf: String, pool: &mut Vec<robot::Robot>) -> Result<world::World, &'static str> {
+    let mut lines = conf.lines();
     // The first line of the config file should be the World.
     let raw_line: &str = match lines.next() {
         None => return Err("Could not read the first line of the config file !"),
         Some(raw) => raw,
     };
+    /*
     let raw_token = raw_line.split_whitespace();
     let token1 = raw_token.next();
     let token2 = raw_token.next();
-    // Need to check if the robots fit in the World.
+    */
     Ok(world::World { x: 5, y: 5 })
 }
 
@@ -57,8 +58,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let raw_conf = open_file(matches.value_of("file").unwrap_or("two_robots.txt"))?;
 
-    let robot_pool: Vec<robot::Robot> = Vec::new();
-    let world: world::World = parse_config(raw_conf, &robot_pool)?;
+    let mut robot_pool: Vec<robot::Robot> = Vec::new();
+    let world: world::World = parse_config(raw_conf, &mut robot_pool)?;
 
     Ok(())
 }