Prototype two workers: blocking and multiplexing

lib/uh/wm/workers.rb

@@ -0,0 +1,21 @@
+module Uh
+  module WM
+    module Workers
+      FACTORIES = {
+        block:  ->(options) { Blocking.new(options) },
+        mux:    ->(options) { Mux.new(options) }
+      }.freeze
+
+      class << self
+        def types
+          FACTORIES.keys
+        end
+
+        def build type, **options
+          (FACTORIES[type] or fail ArgumentError, "unknown worker: `#{type}'")
+            .call options
+        end
+      end
+    end
+  end
+end