proper_superset?() subset?(), and proper_subset?().
[obtained from: Jason Voegele's set.rb]
* lib/set.rb: define several aliases: union() for |(),
difference() for -(), ande intersection() for &().
[obtained from: Jason Voegele's set.rb]
* lib/set.rb: deal with a s/id/object_id/ leftover.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
really a module, whose methods must be safe for reciever's type.
* eval.c (rb_eval): nosuper should not be inherited unless the
overwritten method is an undef placeholder.
* parse.y (primary): allow 'when'-less case statement; persuaded
by Sean Chittenden.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
[Submitted by: "Christoph" <chr_news@gmx.net>] Some tests
against the bug are added.
* lib/set.rb: Resurrect the test suite by putting it after
__END__ and executing `eval DATA.read'.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2813 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
those of its subclasses.
- Fix eql?().
Submitted by: "Christoph" <chr_news@gmx.net>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2788 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
