< :前の番号
^ :番号順リスト
> :次の番号
P :前の記事（スレッド移動）
N :次の記事
|<:前のスレッド
>|:次のスレッド
^ :返事先
_:自分への返事
>:同じ返事先を持つ記事（前）
<:同じ返事先を持つ記事（後）
---:分割してスレッド表示、再表示
| :分割して（縦）スレッド表示、再表示
~ :スレッドのフレーム消去
.:インデックス
..:インデックスのインデックス
Issue #7702 has been reported by jballanc (Joshua Ballanco).
----------------------------------------
Bug #7702: Remove Proc#binding
https://bugs.ruby-lang.org/issues/7702
Author: jballanc (Joshua Ballanco)
Status: Open
Priority: Normal
Assignee:
Category:
Target version:
ruby -v: 2.0.0-preview1
=begin
As discussed in the most recent Ruby implementer's meeting and elsewhere over the years, being able to get a handle to the binding of any block/proc has a number of problems:
* Code execution after passing a block/proc in unpredictable, as the binding of said proc can be used to redefine any local, instance variable, method, class, module, etc.
* Potentially sensitive data can leak out of the scope of a method via a proc binding
* Large object graphs may need to be retained for the lifetime of a proc, since any identifier in scope at the time of proc creation must remain live in the event that the binding of the proc is used to evaluate code
Additionally, removal of Proc#binding would enable a number of very useful optimizations and performance improvements.
=end
--
http://bugs.ruby-lang.org/