1 files changed, 6 insertions, 16 deletions
diff --git a/ecs/src/sole.rs b/ecs/src/sole.rs
index 084a06b..1cce419 100644
--- a/ecs/src/sole.rs
+++ b/ecs/src/sole.rs
@@ -5,12 +5,11 @@ use std::ops::{Deref, DerefMut};
 use std::sync::{Arc, Weak};
 
 use crate::lock::{Lock, WriteGuard};
-use crate::system::{NoInitParamFlag, Param as SystemParam, System};
-use crate::type_name::TypeName;
+use crate::system::{Param as SystemParam, System};
 use crate::World;
 
 /// A type which has a single instance and is shared globally.
-pub trait Sole: Any + TypeName
+pub trait Sole: Any
 {
     fn drop_last(&self) -> bool;
 
@@ -40,14 +39,6 @@ impl Debug for dyn Sole
     }
 }
 
-impl TypeName for Box<dyn Sole>
-{
-    fn type_name(&self) -> &'static str
-    {
-        self.as_ref().type_name()
-    }
-}
-
 /// Holds a reference to a globally shared singleton value.
 #[derive(Debug)]
 pub struct Single<'world, SoleT: Sole>
@@ -88,11 +79,10 @@ where
     }
 }
 
-unsafe impl<'world, SoleT> SystemParam<'world> for Single<'world, SoleT>
+impl<'world, SoleT> SystemParam<'world> for Single<'world, SoleT>
 where
     SoleT: Sole,
 {
-    type Flags = NoInitParamFlag;
     type Input = ();
 
     fn initialize<SystemImpl>(
@@ -115,7 +105,7 @@ where
     }
 }
 
-impl<'world, SoleT> Deref for Single<'world, SoleT>
+impl<SoleT> Deref for Single<'_, SoleT>
 where
     SoleT: Sole,
 {
@@ -127,7 +117,7 @@ where
     }
 }
 
-impl<'world, SoleT> DerefMut for Single<'world, SoleT>
+impl<SoleT> DerefMut for Single<'_, SoleT>
 where
     SoleT: Sole,
 {
@@ -174,7 +164,7 @@ where
     _pd: PhantomData<&'weak_ref SoleT>,
 }
 
-impl<'weak_ref, SoleT> SingleRef<'weak_ref, SoleT>
+impl<SoleT> SingleRef<'_, SoleT>
 where
     SoleT: Sole,
 {