update

nvim/init.vim

@@ -30,6 +30,8 @@ Plug 'hrsh7th/cmp-cmdline'
 Plug 'hrsh7th/cmp-vsnip'
 Plug 'hrsh7th/vim-vsnip'
 
+Plug 'ray-x/lsp_signature.nvim'
+
 Plug 'tomasr/molokai'
 Plug 'scrooloose/nerdcommenter'
 Plug 'vim-scripts/DrawIt'
@@ -320,6 +322,12 @@ lua << EOF
 
 local nvlsp = require'lspconfig'
 
+local lspSig = require'lsp_signature'
+
+lspSig.setup{
+  hint_enable = true,
+}
+
 -- Add additional capabilities supported by nvim-cmp
 local capabilities = vim.lsp.protocol.make_client_capabilities()
 capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
@@ -330,6 +338,8 @@ local on_attach = function(client, bufnr)
   local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
   local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
 
+  lspSig.on_attach()
+
   -- Enable completion triggered by <c-x><c-o>
   buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
 
@@ -374,13 +384,13 @@ nvlsp['rust_analyzer'].setup{
 -- nvim-cmp setup
 local cmp = require 'cmp'
 cmp.setup {
-  mapping = {
+  mapping = cmp.mapping.preset.insert({
     ['<CR>'] = cmp.mapping.confirm({
       -- behavior = cmp.ConfirmBehavior.Insert,
       select = true,
     }),
     -- ['<Tab>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 's' }),
-  },
+  }),
   snippet = {
     -- REQUIRED - you must specify a snippet engine
     expand = function(args)