Remove outdated as_refs

Author: gpluscb

README.md

@@ -38,7 +38,7 @@ let results = [
 ];
 
 // Calculate new rating after 1.0 rating periods
-let new_rating = algorithm::rate_player(player, results.as_ref(), 1.0, parameters);
+let new_rating = algorithm::rate_player(player, &results, 1.0, parameters);
 
 // The results are close to the results from the paper.
 assert!((new_rating.rating() - 1464.06).abs() < 0.01);

src/algorithm.rs

@@ -510,8 +510,8 @@ mod test {
             PlayerResult::new(opponent_c, 0.0),
         ];
 
-        let new_rating: Rating = super::rate_player(player, results.as_ref(), 1.0, parameters)
-            .into_with_parameters(parameters);
+        let new_rating: Rating =
+            super::rate_player(player, &results, 1.0, parameters).into_with_parameters(parameters);
 
         assert_approx_eq!(new_rating.rating(), 1464.06, 0.01);
         assert_approx_eq!(new_rating.deviation(), 151.52, 0.01);

src/engine.rs

@@ -30,7 +30,7 @@ impl Player {
     /// The match results the player had in the current rating period.
     #[must_use]
     pub fn current_rating_period_results(&self) -> &[PlayerResult] {
-        self.current_rating_period_results.as_ref()
+        &self.current_rating_period_results
     }
 }
 
@@ -74,7 +74,7 @@ impl ScaledPlayer {
     /// The match results the player had in the current rating period.
     #[must_use]
     pub fn current_rating_period_results(&self) -> &[ScaledPlayerResult] {
-        self.current_rating_period_results.as_ref()
+        &self.current_rating_period_results
     }
 }
 

src/lib.rs

@@ -36,7 +36,7 @@
 //! ];
 //!
 //! // Calculate new rating after 1.0 rating periods
-//! let new_rating = algorithm::rate_player(player, results.as_ref(), 1.0, parameters);
+//! let new_rating = algorithm::rate_player(player, &results, 1.0, parameters);
 //!
 //! // The results are close to the results from the paper.
 //! assert!((new_rating.rating() - 1464.06).abs() < 0.01);