lang/rust

Description
Prerequisites
Features
Configuration
Troubleshooting
- Racer installation problems

Description

Add support to Rust language and cargo commands inside emacs.

Code completion (racer)
Syntax checking (flycheck)
Snippets

Module Flags

+lsp to add support Language server protocol.

Plugins

Hacks

{A list of internal modifications to included packages}

Prerequisites

To get started with Rust, you can either use rustup and install rust with:

curl https://sh.rustup.rs -sSf | sh

Package manager is not recommended to install Nightly version of Rust what is required for racer from version 2.1 (more info in Troubleshooting)

Some commands require additional crates to be installed to work, e.g. cargo add.

rustup component add rustfmt
rustup component add cargo-check
rustup component add cargo-edit

Features

This module also supports LSP, it requires installation of Rust Language Server RLS. To enable this you need to enable lsp in :tools section in init.el file.

Keybindings

Binding	Description
`<localleader> a`	`cargo add`
`<localleader> b`	`cargo build`
`<localleader> B`	`cargo bench`
`<localleader> c`	`cargo check`
`<localleader> C`	`cargo clippy`
`<localleader> d`	`cargo doc`
`<localleader> r`	`cargo run`
`<localleader> s`	`cargo search`
`<localleader> u`	`cargo update`
`<localleader> t a`	`cargo test`
`<localleader> t f`	`run tests in current file`
`<localleader> t t`	`run current test`

TODO Configuration

How to configure this module, including common problems and how to address them.

Troubleshooting

Racer installation problems

Racer need now (From 2.1 version) nightly version of Rust

If you installed trough rustup

rustup toolchain add nightly

cargo +nightly install racer

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