style: code style

src/main.rs

@@ -36,14 +36,10 @@ fn main() -> std::io::Result<()> {
         main_legacy()
     } else {
         let mut tokens : Vec<Token> = vec![];
+
         let mut togo_config_path = String::from(dirs::home_dir().unwrap().to_str().unwrap());
         togo_config_path.push_str("/.cargo/todo_config");
-
-        let mut regex = vec![];
-        for line in read_lines(togo_config_path).unwrap() {
-            let line = line.unwrap();
-            if !line.is_empty() { regex.push(line) };
-        }
+        let regex = read_lines_to_vec(&togo_config_path);
 
         let mut all_rs_path = String::from(env::current_dir().unwrap().to_str().unwrap());
         all_rs_path.push_str("/**/*.rs");
@@ -129,6 +125,15 @@ fn main() -> std::io::Result<()> {
     }
 }
 
+fn read_lines_to_vec(file_name: &str) -> Vec<String> {
+    let mut regex = vec![];
+    for line in read_lines(file_name).unwrap() {
+        let line = line.unwrap();
+        if !line.is_empty() { regex.push(line) };
+    }
+    return regex;
+}
+
 fn read_lines<P>(filename: P) -> io::Result<Lines<BufReader<File>>> where P: AsRef<Path> {
     let file = match File::open(&filename) {
         Ok(line) => line,