slight restructing & commenting

src/mania/pp.rs

@@ -1,42 +1,6 @@
 use super::{stars, DifficultyAttributes};
 use crate::{Beatmap, Mods, PpResult, StarResult};
 
-pub trait ManiaAttributeProvider {
-    fn attributes(self) -> Option<f32>;
-}
-
-impl ManiaAttributeProvider for f32 {
-    #[inline]
-    fn attributes(self) -> Option<f32> {
-        Some(self)
-    }
-}
-
-impl ManiaAttributeProvider for DifficultyAttributes {
-    #[inline]
-    fn attributes(self) -> Option<f32> {
-        Some(self.stars)
-    }
-}
-
-impl ManiaAttributeProvider for StarResult {
-    #[inline]
-    fn attributes(self) -> Option<f32> {
-        #[allow(irrefutable_let_patterns)]
-        if let Self::Mania(attributes) = self {
-            Some(attributes.stars)
-        } else {
-            None
-        }
-    }
-}
-
-impl ManiaAttributeProvider for PpResult {
-    fn attributes(self) -> Option<f32> {
-        self.attributes.attributes()
-    }
-}
-
 /// Calculator for pp on osu!mania maps.
 #[derive(Clone, Debug)]
 pub struct ManiaPP<'m> {
@@ -185,3 +149,39 @@ impl<'m> ManiaPP<'m> {
             * ((score - 960_000.0).max(0.0) / 40_000.0).powf(1.1)
     }
 }
+
+pub trait ManiaAttributeProvider {
+    fn attributes(self) -> Option<f32>;
+}
+
+impl ManiaAttributeProvider for f32 {
+    #[inline]
+    fn attributes(self) -> Option<f32> {
+        Some(self)
+    }
+}
+
+impl ManiaAttributeProvider for DifficultyAttributes {
+    #[inline]
+    fn attributes(self) -> Option<f32> {
+        Some(self.stars)
+    }
+}
+
+impl ManiaAttributeProvider for StarResult {
+    #[inline]
+    fn attributes(self) -> Option<f32> {
+        #[allow(irrefutable_let_patterns)]
+        if let Self::Mania(attributes) = self {
+            Some(attributes.stars)
+        } else {
+            None
+        }
+    }
+}
+
+impl ManiaAttributeProvider for PpResult {
+    fn attributes(self) -> Option<f32> {
+        self.attributes.attributes()
+    }
+}