2020/12/30(Wed) 19:36:03 macOS（またはLinux）用パッケージマネージャー — Homebrew https://brew.sh/index_ja 2020/12/30(Wed) 19:36:27 プロと読み解く Ruby 3.0 NEWS - クックパッド開発者ブログ https://techlife.cookpad.com/entry/2020/12/25/155741 2020/12/30(Wed) 19:37:02 Ruby 3.0 の Ractor を自慢したい - クックパッド開発者ブログ https://techlife.cookpad.com/entry/2020/12/26/131858 2020/12/30(Wed) 19:37:28 Ruby Programming Language https://www.ruby-lang.org/en/ 2020/12/30(Wed) 19:37:53 Ruby-Doc.org： Documenting the Ruby Language https://ruby-doc.org/ 2020/12/30(Wed) 19:38:21 Index of Files, Classes & Methods in Ruby 3.0.0 (Ruby 3.0.0) https://ruby-doc.org/core-3.0.0/ 2020/12/30(Wed) 19:39:35 Ruby 3.0.0 Standard Library Documentation https://ruby-doc.org/stdlib-3.0.0/
とりあえず、macOS Big Sur バージョン 11.1 に Ruby 3.0.0 をインストールした。
ターミナル
2020/12/30(Wed) 19:41:47
~/Desktop/xxxxx/Ruby/
❯ sw_vers
ProductName:macOSProductVersion: 11.1
BuildVersion: 20C69
~/Desktop/xxxxx/Ruby/
❯ rbenv install -l
2.5.8
2.6.6
2.7.2
3.0.0
jruby-9.2.14.0
mruby-2.1.2
rbx-5.0
truffleruby-20.3.0
truffleruby+graalvm-20.3.0
Only latest stable releases for each Ruby implementation are shown.
Use 'rbenv install --list-all / -L' to show all local versions.
~/Desktop/xxxxx/Ruby/
❯ rbenv install 3.0.0
Downloading openssl-1.1.1i.tar.gz...
-> https://dqw8nmjcqpjn7.cloudfront.net/e8be6a35fe41d10603c3cc635e93289ed00bf34b79671a3a4de64fcee00d5242
Installing openssl-1.1.1i...
Installed openssl-1.1.1i to /Users/xxxxxx/.rbenv/versions/3.0.0
Downloading ruby-3.0.0.tar.gz...
-> https://cache.ruby-lang.org/pub/ruby/3.0/ruby-3.0.0.tar.gz
Installing ruby-3.0.0...
ruby-build: using readline from homebrew
Installed ruby-3.0.0 to /Users/xxxxxx/.rbenv/versions/3.0.0
~/Desktop/xxxxx/Ruby/
❯ rbenv rehash
~/Desktop/xxxxx/Ruby/
❯ cd Ruby\ 3.x
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ rbenv versions
system
* 2.6.5 (set by /Users/xxxxxx/Desktop/Ruby/.ruby-version)
3.0.0
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ rbenv local 3.0.0
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ ruby -v
ruby 3.0.0p0 (2020-12-25 revision 95aff21468) [x86_64-darwin20]
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ ls
pattern.rb
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ cat pattern.rb
#!/usr/bin/env ruby
a = [1, 2, 3]
puts "case #{a}"
puts "in [x, y, z]"
case a
in [x, y, z]
puts "x:#{x} y:#{y} z:#{z}"
end
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯ ./pattern.rb
case [1, 2, 3]
in [x, y, z]
x:1 y:2 z:3
~/Desktop/xxxxx/Ruby/Ruby 3.x
❯