From: kazuki@...
Date: 2018-01-08T08:54:31+00:00
Subject: [ruby-dev:50414] [Ruby trunk Bug#14335] block.call should respect redefinition of Proc#call

Issue #14335 has been reported by ktsj (Kazuki Tsujimoto).

----------------------------------------
Bug #14335: block.call should respect redefinition of Proc#call
https://bugs.ruby-lang.org/issues/14335

* Author: ktsj (Kazuki Tsujimoto)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 2.6
* ruby -v: ruby 2.6.0dev (2018-01-08 master 61663) [x86_64-linux]
* Backport: 2.3: DONTNEED, 2.4: DONTNEED, 2.5: DONTNEED
----------------------------------------
r61659の変更によって、
ブロック引数に対してcallメソッドを呼び出したときに
Proc#callの再定義が無視されるようになっています。

~~~
$ cat t.rb
Proc.prepend Module.new {
  def call
    p :call
    super
  end
}

def m(&blk)
  yield
  blk.call
end

m {}

$ ruby -v t.rb
ruby 2.5.0p0 (2017-12-25 revision 61468) [x86_64-linux]
:call

$ ./ruby -v t.rb
ruby 2.6.0dev (2018-01-08 master 61663) [x86_64-linux]
~~~




-- 
https://bugs.ruby-lang.org/