Made box StableDeref

Author: korken89

Cargo.toml

@@ -37,3 +37,7 @@ hash32 = "0.1.0"
 version = "1"
 optional = true
 default-features = false
+
+[dependencies.stable_deref_trait]
+version = "1"
+default-features = false

src/pool/mod.rs

@@ -375,6 +375,8 @@ unsafe impl<T, S> Send for Box<T, S> where T: Send {}
 
 unsafe impl<T, S> Sync for Box<T, S> where T: Sync {}
 
+unsafe impl<T> stable_deref_trait::StableDeref for Box<T>  {}
+
 impl<A> AsSlice for Box<A>
 where
     A: AsSlice,