remove function statements

functions need to be defined a level up

lib/typed/compiler/function_statement.rb

@@ -1,40 +0,0 @@
-module Typed
-  module FunctionStatement
-
-    def on_FunctionStatement  statement
-      #      return_type , name , parameters, kids , receiver = *statement
-      raise "Already in method #{@method}" if @method
-
-      args = statement.parameters
-
-      class_method = handle_receiver( statement ) #nil for instance method
-
-      @method = @type.get_instance_method( statement.name )
-      if(@method)
-        #puts "Warning, redefining method #{name}" unless name == :main
-        #TODO check args / type compatibility
-        init_method
-      else
-        create_method_for(@type, statement.name , args ).init_method
-      end
-      @method.source = statement
-
-      process(statement.statements)
-
-      @type = class_method if class_method
-      @method = nil
-      # function definition is a statement, does not return any value
-      return nil
-    end
-
-    private
-
-    def handle_receiver( statement )
-      return nil unless statement.receiver
-      raise "Not covered #{statement.receiver}" unless ( statement.receiver.first == :self)
-      class_method = @type
-      @type = @type.object_class.meta.get_type
-      class_method
-    end
-  end
-end