fix auto select compiler bug

nvim/.config/nvim/init.lua

@@ -280,8 +280,7 @@ do
         return vim.fn.globpath(dir, glob_pattern, false, false, false) ~= ''
     end
 
-    local all_folders_till_root = nil
-    do
+    local all_folders_till_root = function()
         local cwd = vim.fn.getcwd()
         local folders = {cwd} -- array of all folders from cwd to root
         for dir in vim.fs.parents(cwd) do
@@ -304,11 +303,7 @@ do
             return i, f
         end
 
-        ---return iterator starting from cwd and going upwards until the project
-        ---root is found by looking for the .git folder.
-        all_folders_till_root = function()
-            return iter, nil, 0
-        end
+        return iter, nil, 0
     end
 
     ---@param glob_pattern string
@@ -674,6 +669,7 @@ require'lazy'.setup{ --{{{1
                 nnoremap ,fi :lua vim.lsp.buf.implementation()<CR>
                 nnoremap ,fr :lua vim.lsp.buf.references()<CR>
                 nnoremap ,ca :lua vim.lsp.buf.code_action()<CR>
+                vnoremap ,ca :lua vim.lsp.buf.code_action()<CR>
                 nnoremap ,oe :lua vim.diagnostic.open_float()<CR>
 
                 nnoremap ,ea :lua vim.diagnostic.setqflist()<CR>