Issue #8923 has been updated by Hiroshi SHIBATA. Target version changed from 2.1.0 to current: 2.2.0 ---------------------------------------- Feature #8923: Frozen nil/true/false https://bugs.ruby-lang.org/issues/8923#change-44799 * Author: Koichi Sasada * Status: Open * Priority: Normal * Assignee: Yukihiro Matsumoto * Category: core * Target version: current: 2.2.0 ---------------------------------------- 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/