formatting improvements, more rustic

rust/tally/src/main.rs

@@ -4,7 +4,7 @@
 fn main() {
     let input = "EbAAdbBEaBaaBBdAccbeebaec";
     println!("Tallying {}", input);
-    let player_list = String::from(init_player_list(input.to_string()));
+    let player_list = init_player_list(input.to_string());
     println!("These people are playing: {}", player_list);
 
     let tally = tally(player_list, input.to_string());
@@ -13,30 +13,30 @@ fn main() {
 }
 
 // get all distinct characters
-fn init_player_list(input: String) -> String{
+fn init_player_list(input: String) -> String {
     let mut result = String::new();
     let ch = input.chars();
 
-    for cha in ch{
+    for cha in ch {
         let lch = cha.to_lowercase().next().unwrap();
-        if !result.contains(lch){
+        if !result.contains(lch) {
             result.push(lch);
         }
     }
-    return result
+    result
 }
 
 // tally each players scores
 // lowercase => +1 point
 // uppercase => -1 point
-fn tally(player_list: String, tally: String)  -> Vec<(char, i32)>{
+fn tally(player_list: String, tally: String) -> Vec<(char, i32)> {
     let mut v: Vec<(char, i32)> = Vec::new();
     for (_i, player) in player_list.chars().enumerate() {
-        let count = (tally.matches(player).count() as i32) - (tally.matches(player
-            .to_uppercase().next().unwrap()).count() as i32);
+        let count = (tally.matches(player).count() as i32)
+            - (tally.matches(player.to_uppercase().next().unwrap()).count() as i32);
         v.push((player, count));
     }
     v.sort_by_key(|v| v.1);
     v.reverse();
-    return v
+    v
 }