[2018][rust][3.1] cargo fmt

2018/rust/src/bin/day_03.rs

@@ -21,7 +21,9 @@ fn solve(input: &str) -> Result<String, Box<Error>> {
         .map(str::trim)
         .map(Claim::from_str)
         .collect::<Result<_, _>>()?;
-    let fabric = claims.iter().fold(HashMap::new(), |mut fabric: HashMap<(usize, usize), Vec<usize>>, claim| {
+    let fabric = claims.iter().fold(
+        HashMap::new(),
+        |mut fabric: HashMap<(usize, usize), Vec<usize>>, claim| {
             for square_inch in claim.square_inches() {
                 fabric
                     .entry(square_inch)
@@ -29,7 +31,8 @@ fn solve(input: &str) -> Result<String, Box<Error>> {
                     .or_insert(vec![claim.id]);
             }
             fabric
-    });
+        },
+    );
     let values: Vec<_> = fabric.values().collect();
     let output = values
         .iter()