[DOC] Update an obsolete example for slice_before.
The argument for Enumerable#slice_before is is removed at Ruby 2.3.
Reported by Shyouhei Urabe. [Bug #13202]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by akr (Akira Tanaka) about 7 years ago
[DOC] Update an obsolete example for slice_before.
The argument for Enumerable#slice_before is is removed at Ruby 2.3.
Reported by Shyouhei Urabe. [Bug #13202]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e