use Arc<str> where applicable; use konst split_at

src/jack.rs

@@ -242,12 +242,12 @@ impl RegisterPort for Arc<RwLock<JackConnection>> {
 /// Event enum for JACK events.
 pub enum JackEvent {
     ThreadInit,
-    Shutdown(ClientStatus, String),
+    Shutdown(ClientStatus, Arc<str>),
     Freewheel(bool),
     SampleRate(Frames),
-    ClientRegistration(String, bool),
+    ClientRegistration(Arc<str>, bool),
     PortRegistration(PortId, bool),
-    PortRename(PortId, String, String),
+    PortRename(PortId, Arc<str>, Arc<str>),
     PortsConnected(PortId, PortId, bool),
     GraphReorder,
     XRun,