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SpaceVim/docs/layers/lang/red.md

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---
title: "SpaceVim lang#red layer"
description: "This layer is for red development, provide autocompletion, syntax checking and code format."
---
# [Available Layers](../../) >> lang#red
<!-- vim-markdown-toc GFM -->
- [Description](#description)
- [Install](#install)
- [Layer](#layer)
- [Key bindings](#key-bindings)
- [Inferior REPL process](#inferior-repl-process)
- [Running current script](#running-current-script)
<!-- vim-markdown-toc -->
## Description
This layer is for red development.
## Install
### Layer
To use this configuration layer, update custom configuration file with:
```toml
[[layers]]
name = "lang#red"
```
## Key bindings
### Inferior REPL process
Start a `red` inferior REPL process with `SPC l s i`. You may change the REPL command by layer option `repl_command`. For example, if you want to use `pry`, load this layer via:
```toml
[[layers]]
name = "lang#red"
repl_command = "red --cli"
```
Send code to inferior process commands:
| Key Binding | Description |
| ----------- | ------------------------------------------------ |
| `SPC l s b` | send buffer and keep code buffer focused |
| `SPC l s l` | send line and keep code buffer focused |
| `SPC l s s` | send selection text and keep code buffer focused |
### Running current script
To running a ruby script, you can press `SPC l r` to run current file without loss focus, and the result will be shown in a runner buffer.