From: nobu@... Date: 2016-11-14T05:05:11+00:00 Subject: [ruby-core:78116] [Ruby trunk Bug#12930][Assigned] instance_eval, instance_exec raises TypeError on a frozen String Issue #12930 has been updated by Nobuyoshi Nakada. Status changed from Open to Assigned Assignee changed from Nobuyoshi Nakada to Yukihiro Matsumoto A string literal with `.freeze` reveals the object in the shared frozen string literal pool. I think that shared objects should not be modified, like `Integer` and `Float`. Any idea? ---------------------------------------- Bug #12930: instance_eval, instance_exec raises TypeError on a frozen String https://bugs.ruby-lang.org/issues/12930#change-61481 * Author: Akira Matsuda * Status: Assigned * Priority: Normal * Assignee: Yukihiro Matsumoto * ruby -v: ruby 2.4.0dev (2016-11-13 trunk 56767) [x86_64-darwin15] * Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN ---------------------------------------- ~~~ % ruby -ve 'p "".freeze.instance_eval "size"' ruby 2.4.0dev (2016-11-13 trunk 56767) [x86_64-darwin15] -e:1:in `instance_eval': can't define singleton (TypeError) ~~~ since 56747 -- https://bugs.ruby-lang.org/ Unsubscribe: