day 2 part 1 fixes

src/bin/day2-1.rs

@@ -11,7 +11,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     let input = io::read_to_string(io::stdin())?;
 
     let sum = input.lines().enumerate().map(|(i, line)| {
-        let game: Vec<Show> = line.split(":").last().unwrap().split(";").map(|shown| {
+        if line.split(":").last().unwrap().split(";").map(|shown| {
             let mut show = Show { red: 0, green: 0, blue: 0 };
             for color in shown.split(",") {
                 let mut color_iter = color.split_whitespace();
@@ -24,11 +24,9 @@ fn main() -> Result<(), Box<dyn Error>> {
                 }
             }
             show
-        }).collect();
-        (i + 1, game)
-    }).filter(|(_, game)|
-        game.iter().all(|show| show.red <= 12 && show.green <= 13 && show.blue <= 14)
-    ).map(|(i, _)| i).sum::<usize>();
+        }).all(|show| show.red <= 12 && show.green <= 13 && show.blue <= 14)
+        { i + 1 } else { 0 }
+    }).sum::<usize>();
 
     println!("{}", sum);
     Ok(())