Add rust layer option (#2678)

autoload/SpaceVim/layers/lang/rust.vim

@@ -52,10 +52,12 @@ function! SpaceVim#layers#lang#rust#plugins() abort
   return plugins
 endfunction
 
+let s:recommended_style = 0
+
 function! SpaceVim#layers#lang#rust#config() abort
   let g:racer_experimental_completer = 1
   let g:racer_cmd = get(g:, 'racer_cmd', $HOME . '/.cargo/bin/racer')
-
+  let g:rust_recommended_style = s:recommended_style
   if SpaceVim#layers#lsp#check_filetype('rust')
     call SpaceVim#mapping#gd#add('rust',
           \ function('SpaceVim#lsp#go_to_def'))
@@ -74,6 +76,14 @@ function! SpaceVim#layers#lang#rust#config() abort
         \ function('s:language_specified_mappings'))
 endfunction
 
+function! SpaceVim#layers#rust#lang#set_variable(var) abort
+
+  let s:recommended_style = get(a:var,
+        \ 'recommended-style',
+        \ s:recommended_style)
+
+endfunction
+
 function! s:language_specified_mappings() abort
   call SpaceVim#mapping#space#langSPC('nnoremap', ['l', 's'],
         \ '<Plug>(rust-def-split)', 'rust-def-split', 0)

docs/cn/layers/lang/rust.md

@@ -11,6 +11,7 @@ lang: cn
 - [模块简介](#模块简介)
 - [功能特性](#功能特性)
 - [启用模块](#启用模块)
+- [模块选项](#模块选项)
 - [快捷键](#快捷键)
   - [运行当前脚本](#运行当前脚本)
 
@@ -37,6 +38,10 @@ lang: cn
   name = "lang#rust"
 ```
 
+## 模块选项
+
+- `recommended-style`: 启用/禁用 rust 推荐的代码规范，该选项默认已禁用。
+
 ## 快捷键
 
 | 快捷键          | 功能描述                                |

docs/layers/lang/rust.md

@@ -11,6 +11,7 @@ description: "This layer is for Rust development, provide autocompletion, syntax
 - [Features](#features)
 - [Install](#install)
   - [Layer](#layer)
+- [Layer options](#layer-options)
 - [Key bindings](#key-bindings)
   - [Code runner](#code-runner)
 
@@ -43,6 +44,10 @@ To use this configuration layer, update custom configuration file with:
   name = "lang#rust"
 ```
 
+## Layer options
+
+- `recommended-style`: Enable/Disable recommended code style for rust. This option is disabled by default.
+
 ## Key bindings
 
 | Key bindings    | Descriptions                     |