base.rb in delorean_lang-0.3.19

- old
+ new

@@ -6,10 +6,12 @@
   # FIXME: the whitelist is quite hacky.  It's currently difficult to
   # override it.  A user will likely want to directly modify this
   # hash.  The whole whitelist mechanism should be eventually
   # rethought.
   RUBY_WHITELIST = {
+    between?:           [[Numeric, String],[Numeric, String],[Numeric, String]],
+    between:            "between?",
     compact:            [Array],
     to_set:             [Array],
     flatten:            [Array, [Fixnum, nil]],
     length:             [Enumerable],
     max:                [Array],
@@ -225,10 +227,16 @@
         if obj.is_a?(Class)
           _e[:_engine].parse_check_call_fn(method, args.count, obj)
           return obj.send(msg, *args)
         end
 
-        sig = RUBY_WHITELIST[msg]
+        sig = begin
+          obj.class.delorean_instance_methods[msg]
+        rescue NoMethodError
+          nil
+        end
+
+        sig = RUBY_WHITELIST[msg] unless sig
 
         raise "no such method #{method}" unless sig
 
         # if sig is a string, then method mapped to another name
         return _instance_call(obj, sig, args, _e) if sig.is_a? String