UPDATED init.lua to support more advanced Rust Analyzer LSP features.

init.lua

@@ -666,7 +666,34 @@ require('lazy').setup({
         clangd = {},
         -- gopls = {},
         -- pyright = {},
-        rust_analyzer = {},
+        rust_analyzer = {
+          settings = {
+            ['rust-analyzer'] = {
+              cargo = {
+                allFeatures = true,
+                loadOutDirsFromCheck = true,
+                runBuildScripts = true,
+              },
+              -- Add clippy lints for better code suggestions
+              checkOnSave = {
+                command = 'clippy',
+                extraArgs = { '--no-deps' },
+              },
+              procMacro = {
+                enable = true,
+                ignored = {
+                  ['async-trait'] = { 'async_trait' },
+                  ['napi-derive'] = { 'napi' },
+                  ['async-recursion'] = { 'async_recursion' },
+                },
+              },
+              -- Enable experimental features
+              experimental = {
+                procAttrMacros = true,
+              },
+            },
+          },
+        },
         -- ... etc. See `:help lspconfig-all` for a list of all the pre-configured LSPs
         --
         -- Some languages (like typescript) have entire language plugins that can be useful: