From: "headius (Charles Nutter)" Date: 2013-09-19T23:00:40+09:00 Subject: [ruby-core:57280] [ruby-trunk - Feature #8923] Frozen nil/true/false Issue #8923 has been updated by headius (Charles Nutter). I obviously support this :-) ---------------------------------------- Feature #8923: Frozen nil/true/false https://bugs.ruby-lang.org/issues/8923#change-41895 Author: ko1 (Koichi Sasada) Status: Open Priority: Normal Assignee: matz (Yukihiro Matsumoto) Category: core Target version: current: 2.1.0 Related to [Feature #8906] We aready freezed Integer, Float. Symbols soon (now working). How about to freeze nil, true and false, too? # frozen ruby? "Ruby"f? -- http://bugs.ruby-lang.org/