From: mame@ruby-lang.org
To: ruby-dev@ruby-lang.org
Subject: [ruby-dev:50976] [Ruby master Feature#2323] "Z".."Z".succが空
Date: Sat, 12 Dec 2020 04:17:57 +0000 (UTC) [thread overview]
Message-ID: <redmine.journal-89188.20201212041756.826@ruby-lang.org> (raw)
In-Reply-To: <redmine.issue-2323.20091102161937.826@ruby-lang.org>
Issue #2323 has been updated by mame (Yusuke Endoh).
Status changed from Assigned to Closed
#13663 でほぼ同様のチケットが close されたのでこちらも閉じます。
----------------------------------------
Feature #2323: "Z".."Z".succが空
https://bugs.ruby-lang.org/issues/2323#change-89188
* Author: hasari (Hiro Asari)
* Status: Closed
* Priority: Normal
* Assignee: matz (Yukihiro Matsumoto)
----------------------------------------
=begin
surfboard:~$ ruby1.9 -v; ruby1.9 -e 'p ("Z".."Z".succ); p ("Z".."Z".succ).to_a'
ruby 1.9.2dev (2009-11-02 trunk 25625) [x86_64-darwin10.0.0]
"Z".."AA"
[]
"Z".succではなくてもうちょっと”離れた”ヤツをRangeの終わりとして指定すると"AA"はしっかりと入っています。
surfboard:~$ ruby1.9 -e 'p ("Z".."ZA").include? "Z".succ'
true
でも半端な”離れ”方ではいけません。
surfboard:~$ ruby1.9 -e 'p ("Z".."CA").include? "Z".succ'
false
to_aを介しても同様です。
surfboard:~$ ruby1.9 -e 'p ("Z".."ZA").to_a.include? "Z".succ'
true
surfboard:~$ ruby1.9 -e 'p ("Z".."CA").to_a.include? "Z".succ'
false
=end
--
https://bugs.ruby-lang.org/
parent reply other threads:[~2020-12-12 4:18 UTC|newest]
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