Minor cleanup

crates/content/src/handle.rs

@@ -31,67 +31,37 @@ impl PartialEq for TextureHandle {
 }
 
 /// A lightweight representation of an outfit
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct OutfitHandle {
 	/// TODO
 	pub index: usize,
 }
 
-impl Hash for OutfitHandle {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-		self.index.hash(state)
-	}
-}
-
 /// A lightweight representation of a gun
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct GunHandle {
 	/// TODO
 	pub index: usize,
 }
 
-impl Hash for GunHandle {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-		self.index.hash(state)
-	}
-}
-
 /// A lightweight representation of a ship
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct ShipHandle {
 	/// TODO
 	pub index: usize,
 }
 
-impl Hash for ShipHandle {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-		self.index.hash(state)
-	}
-}
-
 /// A lightweight representation of a star system
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct SystemHandle {
 	/// TODO
 	pub index: usize,
 }
 
-impl Hash for SystemHandle {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-		self.index.hash(state)
-	}
-}
-
 /// A lightweight representation of a faction
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct FactionHandle {
 	/// The index of this faction in content.factions
 	/// TODO: pub in crate, currently for debug (same with all other handles)
 	pub index: usize,
 }
-
-impl Hash for FactionHandle {
-	fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
-		self.index.hash(state)
-	}
-}