1 files changed, 6 insertions, 0 deletions
diff --git a/ruby/step6_file.rb b/ruby/step6_file.rb
index 9d0324f..01d1988 100644
--- a/ruby/step6_file.rb
+++ b/ruby/step6_file.rb
@@ -19,6 +19,10 @@ def eval_ast(ast, env)
             List.new ast.map{|a| EVAL(a, env)}
         when Vector
             Vector.new ast.map{|a| EVAL(a, env)}
+        when Hash
+            new_hm = {}
+            ast.each{|k,v| new_hm[EVAL(k,env)] = EVAL(v, env)}
+            new_hm
         else 
             ast
     end
@@ -27,6 +31,8 @@ end
 def EVAL(ast, env)
     while true
 
+    #puts "EVAL: #{_pr_str(ast, true)}"
+
     if not ast.is_a? List
         return eval_ast(ast, env)
     end