marcandre	2013-01-14 10:19:12 +0900 (Mon, 14 Jan 2013)

  New Revision: 38808

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=38808

  Log:
    * enumerator.c: Fix size for Enumerator::Lazy#flat_map

  Modified files:
    trunk/ChangeLog
    trunk/enumerator.c
    trunk/test/ruby/test_lazy_enumerator.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 38807)
+++ ChangeLog	(revision 38808)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Mon Jan 14 10:18:56 2013  Marc-Andre Lafortune  <ruby-core@m...>
+
+	* enumerator.c: Fix size for Enumerator::Lazy#flat_map
+
 Mon Jan 14 07:12:52 2013  Marc-Andre Lafortune  <ruby-core@m...>
 
 	* lib/matrix/lup_decomposition: Fix bugs with LUP Decomposition of
Index: enumerator.c
===================================================================
--- enumerator.c	(revision 38807)
+++ enumerator.c	(revision 38808)
@@ -1486,7 +1486,7 @@ lazy_flat_map(VALUE obj) https://github.com/ruby/ruby/blob/trunk/enumerator.c#L1486
 
     return lazy_set_method(rb_block_call(rb_cLazy, id_new, 1, &obj,
 					 lazy_flat_map_func, 0),
-			   Qnil, lazy_receiver_size);
+			   Qnil, 0);
 }
 
 static VALUE
Index: test/ruby/test_lazy_enumerator.rb
===================================================================
--- test/ruby/test_lazy_enumerator.rb	(revision 38807)
+++ test/ruby/test_lazy_enumerator.rb	(revision 38808)
@@ -329,11 +329,11 @@ EOS https://github.com/ruby/ruby/blob/trunk/test/ruby/test_lazy_enumerator.rb#L329
     lazy = [1, 2, 3].lazy
     assert_equal 3, lazy.size
     assert_equal 42, Enumerator.new(42){}.lazy.size
-    %i[map collect flat_map collect_concat].each do |m|
+    %i[map collect].each do |m|
       assert_equal 3, lazy.send(m){}.size
     end
     assert_equal 3, lazy.zip([4]).size
-    %i[select find_all reject take_while drop_while].each do |m|
+    %i[flat_map collect_concat select find_all reject take_while drop_while].each do |m|
       assert_equal nil, lazy.send(m){}.size
     end
     assert_equal nil, lazy.grep(//).size

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