perf counter for render

output/src/edn_view.rs

@@ -12,10 +12,7 @@ use EdnItem::*;
         $(
             impl<'a> EdnProvide<'a, $type> for $App {
                 fn get <S: AsRef<str>> (&'a $self, edn: &'a EdnItem<S>) -> Option<$type> {
-                    Some(match edn.to_ref() {
-                        $(EdnItem::Sym($sym) => $value,)*
-                        _ => return None
-                    })
+                    Some(match edn.to_ref() { $(EdnItem::Sym($sym) => $value,)* _ => return None })
                 }
             }
         )*