rewrote write to use known attributes or instance variables, simple values inline

test/sof.rb

@@ -1,6 +1,10 @@
 require_relative "helper"
 
-class SimpleObjectWithAttributes
+class ObjectWithAttributes
+  def initialize
+    @name = "some object"
+    @number = 1234
+  end
 end
 
 class BasicSof < MiniTest::Test
@@ -13,5 +17,8 @@ class BasicSof < MiniTest::Test
     out = Sof::Writer.write(124)
     assert_equal  "124" , out
   end
-
+  def test_object
+    out = Sof::Writer.write(ObjectWithAttributes.new)
+    assert_equal " ObjectWithAttributes(name: 'some object' ,number: 1234)\n" , out
+  end
 end