From: eregontp@gmail.com
To: ruby-core@ruby-lang.org
Subject: [ruby-core:101018] [Ruby master Bug#10845] Subclassing String
Date: Sun, 22 Nov 2020 16:58:51 +0000 (UTC) [thread overview]
Message-ID: <redmine.journal-88691.20201122165850.2963@ruby-lang.org> (raw)
In-Reply-To: redmine.issue-10845.20150210234125.2963@ruby-lang.org
Issue #10845 has been updated by Eregon (Benoit Daloze).
PR to fix it by @matsuda: https://github.com/rails/rails/pull/40663
----------------------------------------
Bug #10845: Subclassing String
https://bugs.ruby-lang.org/issues/10845#change-88691
* Author: sawa (Tsuyoshi Sawada)
* Status: Closed
* Priority: Normal
* Assignee: matz (Yukihiro Matsumoto)
* ruby -v: 2.2
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
----------------------------------------
If I make a subclass of `String`, the method `*` returns an instance of that class.
~~~ruby
class MyString < String
end
MyString.new("foo").*(2).class #=> MyString
~~~
This is different from other similar operations like `+` and `%`, which return a `String` instance.
~~~ruby
MyString.new("foo").+("bar").class #=> String
MyString.new("%{foo}").%(foo: "bar").class #=> String
~~~
I don't see clear reason why `*` is to be different from `+` and `%`, and thought that perhaps either the behaviour with `*` is a bug, or the behaviour with `+` and `%` is a bug.
Or, is a reason why they are different?
--
https://bugs.ruby-lang.org/
prev parent reply other threads:[~2020-11-22 16:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <redmine.issue-10845.20150210234125.2963@ruby-lang.org>
2020-10-25 22:39 ` [ruby-core:100540] [Ruby master Bug#10845] Subclassing String merch-redmine
2020-11-20 6:16 ` [ruby-core:100958] " matz
2020-11-20 7:33 ` [ruby-core:100963] " ronnie
2020-11-20 10:18 ` [ruby-core:100972] " samuel
2020-11-20 12:47 ` [ruby-core:100976] " eregontp
2020-11-20 16:45 ` [ruby-core:100983] " merch-redmine
2020-11-20 19:34 ` [ruby-core:100992] " eregontp
2020-11-21 0:37 ` [ruby-core:100995] " merch-redmine
2020-11-21 5:35 ` [ruby-core:100998] " naruse
2020-11-21 7:31 ` [ruby-core:101000] " merch-redmine
2020-11-21 7:45 ` [ruby-core:101001] " marcandre-ruby-core
2020-11-21 12:25 ` [ruby-core:101004] " eregontp
2020-11-22 16:31 ` [ruby-core:101017] " yasuo.honda
2020-11-22 16:58 ` eregontp [this message]
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