Ruby 标准库文档

http://ruby-std.m02.link

可以看一下 Ruby 的 推荐语法风格 - 中文翻译

格式化代码 可以看下我的库：initdc/rubocop-config-crystal

codespace 标准 rvm 环境 未能复现

codespace > /workspaces/workspace (master) gem install cr-exec                                                          0 <<9:50:56
Fetching cr-exec-0.1.0.gem
Successfully installed cr-exec-0.1.0

Parsing documentation for cr-exec-0.1.0
Installing ri documentation for cr-exec-0.1.0
Done installing documentation for cr-exec after 3 seconds
1 gem installed

A new release of RubyGems is available: 3.5.11 → 3.6.3!
Run `gem update --system 3.6.3` to update your installation.

codespace > /workspaces/workspace (master)                                                                              0 <<9:51:25
codespace > /workspaces/workspace (master) ruby 1.rb                                                                    0 <<9:51:25
Linux
codespace > /workspaces/workspace (master) gem info cr-exec                                                             0 <<9:51:38

*** LOCAL GEMS ***

cr-exec (0.1.0)
    Author: initdc
    Homepage: https://github.com/initdc/cr-exec
    Installed at: /usr/local/rvm/gems/ruby-3.3.4

    Wrapper for ruby exec
codespace > /workspaces/workspace (master)                                                                              0 <<9:53:36