Accept listener as positional argument

lib/async/service/supervisor/envoy/supervised.rb

@@ -16,7 +16,7 @@ module Supervised
 					# Prepare and register a worker after its listener has been bound.
 					# @parameter instance [Async::Container::Instance] The container instance.
 					# @parameter listener [Object] The bound listener descriptor.
-					def prepare_worker!(instance, listener:)
+					def prepare_worker!(instance, listener)
 						prepare!(instance, state: {endpoint: envoy_endpoint(listener)})
 					end
 

releases.md

@@ -1,5 +1,9 @@
 # Releases
 
+## Unreleased
+
+  - Accept the required Falcon listener as a positional worker preparation argument.
+
 ## v0.1.0
 
   - Deduplicate immutable endpoint values reported by multiple supervised workers and aggregate their health.

test/async/service/supervisor/envoy/supervised.rb

@@ -40,7 +40,7 @@ def prepare!(...)
 
 		expect(evaluator).to receive(:prepare!).with(instance, state: state)
 
-		evaluator.prepare_worker!(instance, listener: listener)
+		evaluator.prepare_worker!(instance, listener)
 	end
 
 	it "rejects unsupported listener addresses" do