使用 Homebrew, Nix 安装 crystal-icr

项目链接

• 主页

命令和别名

• icr

项目历史

The official GitHub repository was created in 2016 under the crystal-community organization. Its README presents the tool as an interactive console for Crystal and credits Potapov Sergey as creator and maintainer, with later community contributors adding support for newer Crystal versions, records, require flags, syntax highlighting, and maintenance.

采用历史

ICR is a smaller companion package rather than part of Crystal's core distribution. The README documents source installation with make, use as a shard dependency, and an Arch AUR package; the supplied package metadata adds Homebrew and Nix packaging, showing that language-adjacent developer tools often get packaged separately from the compiler.

使用方式

ICR is used like irb for Crystal: each submitted instruction is accumulated into a generated Crystal program, executed, and presented as if only the new instruction ran. It supports requiring local files or shards from the command line and includes console commands such as paste, debug, quit, exit, and reset.

为什么软件包爱好者会关心

ICR is significant mostly as a packaging companion to Crystal. Its usefulness depends on matching the installed Crystal compiler, readline, and LLVM development files, so it illustrates why language ecosystems often need small auxiliary formulae beyond the main runtime.

时间线

• 2016: The official GitHub repository was created.
• 2021: The repository's last pushed timestamp in the GitHub API indicates maintenance activity through the Crystal 0.x/early 1.x era.

Related projects

• ICR is directly tied to Crystal and Shards. The README also points to inf-crystal.el as an editor integration for connecting Emacs to an ICR subprocess.

来源

• https://github.com/crystal-community/icr
• https://api.github.com/repos/crystal-community/icr