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# Prelude Ruby
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!!! Note
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This module builds on top of the shared [Programming](programming.md) module.
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## Ruby Mode
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Emacs comes with Ruby programming support through the built-in
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`ruby-mode`. Whenever you are editing Ruby code run `C-h m` to
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2022-11-07 02:28:33 +02:00
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look at the Ruby mode key bindings. Alternatively look at the
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2020-10-09 10:19:29 +03:00
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menu bar entries under Ruby. To toggle the menu bar press `F12`.
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Prelude enables `CamelCase` aware editing in Ruby code (via `subword-mode`).
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## inf-ruby
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The module bundles the [inf-ruby](https://github.com/nonsequitur/inf-ruby) package which allows you to run a Ruby
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REPL (e.g. `irb` or `pry`) in an Emacs buffer and interact with it from
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Ruby source buffers.
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## yari
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The module bundles the [yari](https://github.com/hron/yari.el) package which allows you to search in Ruby's RI
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documentation. Use `C-h R` to invoke it.
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