adding in working setup with rust

after/plugin/lsp.lua

@@ -3,7 +3,7 @@ local lsp = require("lsp-zero")
 lsp.preset("recommended")
 
 lsp.ensure_installed({
-    'tsserver',
+    'tsserver'
 })
 
 -- Fix Undefined global 'vim'
@@ -30,12 +30,19 @@ local cmp_mappings = lsp.defaults.cmp_mappings({
 cmp_mappings['<Tab>'] = nil
 cmp_mappings['<S-Tab>'] = nil
 
+
 lsp.setup_nvim_cmp({
     mapping = cmp_mappings
 })
 
 lsp.set_preferences({
     suggest_lsp_servers = false,
+    sign_icons = {
+        error = 'E',
+        warn = 'W',
+        hint = 'H',
+        info = 'I'
+    }
 })
 
 
@@ -55,8 +62,7 @@ lsp.on_attach(function(client, bufnr)
     vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
 end)
 
-
-lsp.setup()
+lsp.skip_server_setup({'rust_analyzer'})
 
 vim.diagnostic.config({
     virtual_text = true,
@@ -65,3 +71,58 @@ vim.diagnostic.config({
     severity_sort = false,
     float = true,
 })
+
+-- rust tools
+
+-- Configure LSP through rust-tools.nvim plugin.
+-- rust-tools will configure and enable certain LSP features for us.
+-- See https://github.com/simrat39/rust-tools.nvim#configuration
+local opts = {
+  tools = {
+    runnables = {
+      use_telescope = true,
+    },
+    inlay_hints = {
+      auto = true,
+      show_parameter_hints = false,
+      parameter_hints_prefix = "",
+      other_hints_prefix = "",
+    },
+  },
+
+  -- all the opts to send to nvim-lspconfig
+  -- these override the defaults set by rust-tools.nvim
+  -- see https://github.com/neovim/nvim-lspconfig/blob/master/CONFIG.md#rust_analyzer
+  server = {
+    -- on_attach is a callback called when the language server attachs to the buffer
+    settings = {
+      -- to enable rust-analyzer settings visit:
+      -- https://github.com/rust-analyzer/rust-analyzer/blob/master/docs/user/generated_config.adoc
+      ["rust-analyzer"] = {
+        -- enable clippy on save
+        checkOnSave = {
+          command = "clippy",
+        },
+      },
+    },
+  },
+}
+
+-- todo: centralize and use the same callback for lspzero and rust-tools
+opts.server.on_attach = function(client, bufnr)
+    local opts = { buffer = bufnr, remap = false }
+
+    vim.keymap.set("n", "gd", function() vim.lsp.buf.definition() end, opts)
+    vim.keymap.set("n", "K", function() vim.lsp.buf.hover() end, opts)
+    vim.keymap.set("n", "<leader>vws", function() vim.lsp.buf.workspace_symbol() end, opts)
+    vim.keymap.set("n", "<leader>vd", function() vim.diagnostic.open_float() end, opts)
+    vim.keymap.set("n", "[d", function() vim.diagnostic.goto_next() end, opts)
+    vim.keymap.set("n", "]d", function() vim.diagnostic.goto_prev() end, opts)
+    vim.keymap.set("n", "<leader>la", function() vim.lsp.buf.code_action() end, opts)
+    vim.keymap.set("n", "<leader>lf", function() vim.lsp.buf.format() end, opts)
+    vim.keymap.set("n", "<leader>gr", function() vim.lsp.buf.references() end, opts)
+    vim.keymap.set("n", "<leader>vrn", function() vim.lsp.buf.rename() end, opts)
+    vim.keymap.set("i", "<C-h>", function() vim.lsp.buf.signature_help() end, opts)
+end
+
+require("rust-tools").setup(opts)