is this syntax equivalent?

Author: tlhunter

packages/dd-trace/src/dcitm.js

@@ -24,13 +24,15 @@ function DcitmHook (moduleNames, options, onrequire) {
     payload.module = onrequire(payload.module, payload.path, undefined, payload.version)
   }
 
+  const channel = dc.channel(`${CHANNEL_PREFIX}:${moduleName}`)
+
   for (const moduleName of moduleNames) {
-    dc.subscribe(`${CHANNEL_PREFIX}:${moduleName}`, onModuleLoad)
+    channel.subscribe(onModuleLoad)
   }
 
   this.unhook = function dcitmUnload () {
     for (const moduleName of moduleNames) {
-      dc.unsubscribe(`${CHANNEL_PREFIX}:${moduleName}`, onModuleLoad)
+      channel.unsubscribe(onModuleLoad)
     }
   }
 }