cleaning, docs

test/slot_language/test_slot_compiler.rb

@@ -59,7 +59,7 @@ module SlotLanguage
     def test_shift
       load = compile("word = name.member")
       assert_equal LoadMaker , load.class
-      assert_equal :word , load.left.leaps.first
+      assert_equal :word , load.left.names.first
       assert_equal SlotMaker , load.right.class
     end
   end

test/slot_language/test_slot_maker.rb

@@ -8,7 +8,7 @@ module SlotLanguage
       @maker = SlotMaker.new(:hi )
     end
     def test_slot
-      @maker.slot_def(@compiler)
+      @maker.to_slot(@compiler)
     end
   end
 end