vim: use virt-column for a nice colorcolumn

config/nvim/lua/fs/config/virt-column.lua

@@ -0,0 +1,20 @@
+local nmap = require'fs.util'.nmap
+
+local toggle = function()
+  if vim.o.colorcolumn == '' then
+    vim.o.colorcolumn = '+1'
+  else
+    vim.o.colorcolumn = ''
+  end
+end
+
+local config = function()
+  require'virt-column'.setup { char = '│' }
+
+  vim.cmd [[highlight VirtColumn cterm=NONE ctermfg=0]]
+
+  nmap { '<leader>cc', '<cmd>lua require"fs.config.virt-column".toggle()<cr>' }
+end
+
+return { config = config, toggle = toggle }
+

config/nvim/lua/fs/plugins.lua

@@ -13,6 +13,10 @@ local plugins = function(use)
       'nvim-lualine/lualine.nvim',
       config = function() require'fs.config.lualine'.config() end,
     }
+    use {
+      'lukas-reineke/virt-column.nvim',
+      config = function() require'fs.config.virt-column'.config() end,
+    }
 
     -- Navigation -------------------------------------------------------------
     use {