From: dulciedtorrey@... Date: 2018-03-07T05:53:50+00:00 Subject: [ruby-core:85957] [Ruby trunk Feature#9278] Magic comment "immutable: string" makes "literal".freeze the default for that file Issue #9278 has been updated by dulciedtorrey (Dulcied Torrey). good ---------------------------------------- Feature #9278: Magic comment "immutable: string" makes "literal".freeze the default for that file https://bugs.ruby-lang.org/issues/9278#change-70821 * Author: colindkelley (Colin Kelley) * Status: Closed * Priority: Normal * Assignee: * Target version: 2.2.0 ---------------------------------------- Building on https://bugs.ruby-lang.org/issues/9042, this pull request adds the magic comment # -*- immutable: string -*- that implies .freeze on every string literal in the file. To get a mutable string in a file that starts with the magic comment, use String.new or ''.dup. Here is a corresponding github pull request: https://github.com/ruby/ruby/pull/487 For more details, background, and rationale, please see this blog post: http://development.invoca.com/magic-comment-immutable-string-makes-ruby-2-1s-literal-freeze-optimization-the-default/ -- https://bugs.ruby-lang.org/ Unsubscribe: