From: Robert Dober <robert.dober@...>
Date: 2009-07-19T01:10:09+09:00
Subject: Re: Enumerator of what?

Not as far as I know,

but this patch could do it if you really need it

--- enumerator.c        2009-04-19 15:33:31.000000000 +0200
+++ enumerator-with-obj-access.c        2009-07-18 18:02:33.000000000 +0200
@@ -537,6 +537,12 @@
     return v;
 }

+static VALUE
+enumerator_get_object( VALUE obj )
+{
+       return enumerator_ptr( obj )->obj;
+}
+
 /*
  * call-seq:
  *   e.rewind   => e
@@ -788,6 +794,7 @@
     rb_define_method(rb_cEnumerator, "initialize", enumerator_initialize, -1);
     rb_define_method(rb_cEnumerator, "initialize_copy",
enumerator_init_copy, 1);
     rb_define_method(rb_cEnumerator, "each", enumerator_each, 0);
+    rb_define_method(rb_cEnumerator, "get_object", enumerator_get_object, 0);
     rb_define_method(rb_cEnumerator, "each_with_index",
enumerator_with_index, 0);
     rb_define_method(rb_cEnumerator, "each_with_object",
enumerator_with_object, 1);
     rb_define_method(rb_cEnumerator, "with_index", enumerator_with_index, 0);


please note that
2.times.get_object will give you 2 and not [0, 1] which 2.times.to_a
would give you.

Cheers
Robert

On 7/18/09, Intransition <transfire@gmail.com> wrote:
> Any way to ask an Enumerator what the underlying object it is
> enumerating for is? Eg.
>
>   e = Enumerator.new([1,2,3], :each)
>   e.some_method #=> [1,2,3]
>
>
>


-- 
Toutes les grandes personnes ont d’abord été des enfants, mais peu
d’entre elles s’en souviennent.

All adults have been children first, but not many remember.

[Antoine de Saint-Exupéry]