From: matz@ruby.or.jp
To: ruby-dev@ruby-lang.org
Subject: [ruby-dev:50968] [Ruby master Bug#11202] No warning when a link to an original method body was removed
Date: Mon, 26 Oct 2020 04:45:37 +0000 (UTC) [thread overview]
Message-ID: <redmine.journal-88177.20201026044536.17@ruby-lang.org> (raw)
In-Reply-To: <redmine.issue-11202.20150601101914.17@ruby-lang.org>
Issue #11202 has been updated by matz (Yukihiro Matsumoto).
Status changed from Open to Rejected
I don't think the benefit is worth the complexity.
Matz.
----------------------------------------
Bug #11202: No warning when a link to an original method body was removed
https://bugs.ruby-lang.org/issues/11202#change-88177
* Author: ko1 (Koichi Sasada)
* Status: Rejected
* Priority: Normal
* Assignee: matz (Yukihiro Matsumoto)
* ruby -v: 2.3dev
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
----------------------------------------
```
class C0
def foo
end
end
class C < C0
alias bar foo # C0#foo is pointed from C0 and C#bar.
C0.class_eval{undef foo} # C0#foo is pointed C#bar.
def bar # C0#foo is not pointed from anybody.
end
end
```
このプログラムは、最終的に C0#foo の実体を参照できないようになっていますが、-w で警告を出しません。
一度 alias で取り出したものは、その実体が見つからないようになったとしても、別に気にしない、ということでいいでしょうか。
警告なんで、あまり気にしても、とも思いますが。
--
https://bugs.ruby-lang.org/
parent reply other threads:[~2020-10-26 4:45 UTC|newest]
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