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Programming language: Emacs Lisp
Tags: Development Tools     IDEs     Emacs    
Latest version: v0.4.0

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README

MELPA

Emacs mode for editing Rust source code

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Installation

Melpa

rust-mode makes editing Rust code with Emacs enjoyable. It requires Emacs 24 or later. The package is available on MELPA. Add this to your init.el.

(require 'package)
(add-to-list 'package-archives
             '("melpa" . "https://melpa.org/packages/") t)
(package-initialize)
(package-refresh-contents)

Now you can install rust-mode with:

M-x package-install rust-mode

And put this in your config to load rust-mode automatically:

(require 'rust-mode)

straight

straight.el clones each of your packages directly from its source. There are good additional installation instructions for moving your package management from package.el to straight.

Manual Installation

Add this to your init.el:

(add-to-list 'load-path "/path/to/rust-mode/")
(autoload 'rust-mode "rust-mode" nil t)

Indentation

The Rust style guide recommends spaces for indentation; to follow the recommendation add this to your init.el:

(add-hook 'rust-mode-hook
          (lambda () (setq indent-tabs-mode nil)))

rustfmt

The rust-format-buffer function will format your code with rustfmt if installed. By default, this is bound to C-c C-f.

Placing (setq rust-format-on-save t) in your init.el will enable automatic running of rust-format-buffer when you save a buffer.

Tests

The file rust-mode-tests.el contains tests that can be run via ERT. You can use run_rust_emacs_tests.sh to run them in batch mode, if you set the environment variable EMACS to a program that runs emacs.

LSP

eglot

Installation instructions

lsp-mode

Installation instructions

You can find more information in the lsp-mode wiki.

Other useful packages

  • cargo.el Emacs Minor Mode for Cargo, Rust's Package Manager
  • emacs-racer Racer support for Emacs
  • rustic Rust development environment for Emacs