nvim: replace lspsaga with lsp_signature

.config/nvim/after/plugin/lspconfig.rc.vim

@@ -36,6 +36,14 @@ local on_attach = function(client, bufnr)
   buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
   buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
   buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
+
+  require('lsp_signature').on_attach({
+        bind = true,
+        handler_opts = {
+            border = "single",
+        }
+    }, bufnr)
+
 end
 
 vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(

.config/nvim/init.vim

@@ -13,7 +13,7 @@ call plug#begin('~/.config/nvim/plugins')
 
 " Code development helpers {{{
 Plug 'neovim/nvim-lspconfig'
-"Plug 'glepnir/lspsaga.nvim'
+Plug 'ray-x/lsp_signature.nvim'
 Plug 'SirVer/ultisnips' | Plug 'honza/vim-snippets'
 Plug 'wellle/context.vim'
 Plug 'dbeniamine/cheat.sh-vim'