Add slice method to ENV like Hash#slice
[Feature #14559]
From: Benoit Tigeot benoit@hopsandfork.com
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by nobu (Nobuyoshi Nakada) about 6 years ago
Add slice method to ENV like Hash#slice
[Feature #14559]
From: Benoit Tigeot benoit@hopsandfork.com
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e