start a new ruby layer to do the to_vool conversion

the "normalization" is getting more and more complicated and is not tested
And it seems i really don't like working with the untyped ast

test/ruby/test_method_statement.rb

@@ -0,0 +1,41 @@
+require_relative "helper"
+
+module Ruby
+  class TestMethodStatementX < MiniTest::Test
+    include RubyTests
+
+    def basic_setup()
+      input = "def tryout(arg1, arg2) ; true ; false ; end "
+      @lst = compile( input )
+    end
+    def test_method
+      basic_setup
+      assert_equal MethodStatement , @lst.class
+    end
+
+    def test_method_name
+      basic_setup
+      assert_equal :tryout , @lst.name
+    end
+
+    def test_method_args
+      basic_setup
+      assert_equal [:arg1, :arg2] , @lst.args
+    end
+    def test_basic_body
+      basic_setup
+      assert_equal ScopeStatement , @lst.body.class
+      assert_equal 2 , @lst.body.length
+    end
+    def test_body_is_scope_one_statement
+      input = "def tryout(arg1, arg2) ; a = true  ; end "
+      lst = compile( input )
+      assert_equal LocalAssignment , lst.body.class
+    end
+    def test_body_is_scope_zero_statement
+      input = "def tryout(arg1, arg2) ; arg1 = arg2 ; end "
+      lst = compile( input )
+      assert_equal LocalAssignment , lst.body.class
+    end
+  end
+end