Improved completion

init.vim

@@ -33,6 +33,8 @@ Plug 'hrsh7th/nvim-cmp'
 Plug 'hrsh7th/cmp-vsnip'
 Plug 'hrsh7th/vim-vsnip'
 Plug 'hrsh7th/cmp-calc'
+Plug 'hrsh7th/cmp-nvim-lsp-signature-help'
+Plug 'hrsh7th/cmp-nvim-lsp-document-symbol'
 
 " Git
 Plug 'tpope/vim-fugitive'

lua/completion.lua

@@ -16,17 +16,20 @@ cmp.setup({
       { name = 'nvim_lsp' },
       { name = 'vsnip' },
       { name = 'calc' },
-      { name = 'path' }
+      { name = 'path' },
+      { name = 'nvim_lsp_signature_help' },
     }, {
       { name = 'buffer' },
     })
 })
 
   cmp.setup.cmdline('/', {
-    sources = {
-      { name = 'buffer' }
-    }
+  sources = cmp.config.sources({
+    { name = 'nvim_lsp_document_symbol' }
+  }, {
+    { name = 'buffer' }
   })
+})
 
   cmp.setup.cmdline(':', {
     sources = cmp.config.sources({