handle errors for game

src/bin/smiley.rs

@@ -12,7 +12,9 @@ fn main() {
         .nth(2)
         .expect("No output path specified. Usage: `smiley infile outfile`");
 
-    let mut game = Game::from(fs::read_to_string(input_file).unwrap());
+    let mut game = Game::from(
+        fs::read_to_string(input_file).unwrap()
+    ).unwrap();
 
     game.avatar.animation_frames = vec![Image {
         pixels: vec![

src/game.rs

@@ -41,7 +41,7 @@ pub struct Game {
 }
 
 impl Game {
-    fn from(string: String) -> Result<Game, &'static dyn Error> {
+    pub fn from(string: String) -> Result<Game, &'static dyn Error> {
         let mut string = format!("{}\n\n", string.trim_matches('\n'));
 
         if string.starts_with("# BITSY VERSION") {