Run cargo fmt

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

src/compile/visit.rs

@@ -11,8 +11,7 @@ pub trait Accept {
         Self: Sized;
 }
 
-pub trait DefaultAccept<V: Visit<Self>>: Accept + Sized
-{
+pub trait DefaultAccept<V: Visit<Self>>: Accept + Sized {
     fn default_accept(&self, visitor: &mut V) -> V::Out;
 }
 
@@ -35,7 +34,7 @@ macro_rules! empty_visitor {
             type Out = ();
             fn visit(&mut self, _: &$default) -> Self::Out {}
         }
-    }
+    };
 }
 
 macro_rules! impl_accept {