fix problem with destructured parameters in one_way and tw0_par parameter lists

Author: pragdave

CHANGELOG.md

@@ -6,6 +6,8 @@
 - returning a reified collection from Hungry.consume trampled on a
   variable.
 
+- The code that looked for the state variable in parameter lists din't
+  deal with destructured parameters.
 
 ## [v0.2.4] - 2019-01-14
 

lib/component/code_gen_helper.ex

@@ -88,7 +88,10 @@ defmodule Component.CodeGenHelper do
     state_name = Common.state_name(options)
 
     args
-    |> Enum.reject(fn {name, _, _} -> name == state_name end)
+    |> Enum.reject(fn
+                      {name, _, _} -> name == state_name
+                      _other       -> false
+                   end)
     |> Enum.map(fn name -> var!(name) end)
   end