hurra, a first test. looks a lot.... but lets not spoil th efeeling

lib/ast/basic_expressions.rb

@@ -4,7 +4,7 @@ module Ast
 
   class IntegerExpression < Expression
 #    attr_reader :value
-    def compile context
+    def compile binding
       Virtual::IntegerConstant.new value
     end
   end

lib/ast/expression_list.rb

@@ -2,9 +2,7 @@ module Ast
   class ExpressionList < Expression
 #    attr_reader  :expressions
     def compile binding
-      expressions.each do |part|
-        expr    = part.compile( binding )
-      end
+      expressions.collect { |part|  part.compile( binding ) }
     end
   end
 end