Use &str instead of String for protocol names

src/backend/mod.rs

@@ -48,7 +48,7 @@ pub trait Instance {
     /// userdata. Then, when the runtime calls back into the script, the
     /// userdata will be reinterpreted as a pointer and a method can be called
     /// on that object in memory.
-    fn bind_panel(&self, panel: PanelId, protocol: String, msg: Vec<u8>) -> u32;
+    fn bind_panel(&self, panel: PanelId, protocol: &str, msg: Vec<u8>) -> u32;
 
     fn update(&self, panel_ud: u32, dt: f32);
 

src/backend/wasmtime.rs

@@ -189,7 +189,7 @@ impl WasmtimeInstance {
 }
 
 impl Instance for WasmtimeInstance {
-    fn bind_panel(&self, panel: PanelId, protocol: String, msg: Vec<u8>) -> u32 {
+    fn bind_panel(&self, panel: PanelId, protocol: &str, msg: Vec<u8>) -> u32 {
         let mut store = self.store.lock();
         let protocol = store.data().message_new(protocol.as_bytes().to_vec());
         let msg = store.data().message_new(msg);

src/lib.rs

@@ -45,7 +45,7 @@ pub struct Script {
 }
 
 impl Script {
-    pub fn create_panel(&mut self, protocol: String, msg: Vec<u8>) -> anyhow::Result<Panel> {
+    pub fn create_panel(&mut self, protocol: &str, msg: Vec<u8>) -> anyhow::Result<Panel> {
         let id = PanelId(self.next_panel);
         self.next_panel += 1;
         let userdata = self.instance.bind_panel(id, protocol, msg);