Add eglot setup function

init.el

@@ -27,7 +27,7 @@
 ;;  - init/config
 ;;  - custom/custom-faces
 ;;  - commands
-;;  - mode/interpreter/hook
+;;  - hook/interpreter/mode
 ;;  - bind/bind*/bind-keymap/bind-keymap*
 ;;
 ;; Custom functions and variables should generally be prefixed with "user/".
@@ -435,6 +435,13 @@ DOCSTRING is an optional form that is discarded upon expansion."
 
 (editor-feature eglot
   "Integrates LSP client features into Emacs."
+  :preface
+  (defun user/set-up-eglot ()
+    "Set up buffer-local variables for current eglot session."
+    (setq eldoc-documentation-functions '(flymake-eldoc-function
+                                          eglot-signature-eldoc-function
+                                          eglot-hover-eldoc-function))
+    (eglot-inlay-hints-mode -1))
   :config
   ;; Remove the mode-line segment that Eglot adds
   (setq mode-line-misc-info (assoc-delete-all 'eglot--managed-mode mode-line-misc-info))
@@ -444,7 +451,7 @@ DOCSTRING is an optional form that is discarded upon expansion."
   (rust-ts-mode-hook . eglot-ensure)
   (typescript-mode-hook . eglot-ensure)
   (gdscript-mode-hook . eglot-ensure)
-  (eglot-managed-mode-hook . (lambda () (eglot-inlay-hints-mode -1)))
+  (eglot-managed-mode-hook . user/set-up-eglot)
   :bind
   (:map eglot-mode-map
         ("C-c \\" . eglot-format-buffer)
@@ -708,6 +715,10 @@ have been closed."
   ;; Ensure Emacs knows where to look for Rust tooling
   (when (file-directory-p user/rust-cargo-directory)
     (add-to-list 'exec-path user/rust-cargo-directory))
+  :hook
+  ;; Ignore disruptive delimiter auto-matching feature of rust-analyzer LS
+  (eglot-managed-mode-hook . (lambda ()
+                               (setq-local eglot-ignored-server-capabilities '(:documentOnTypeFormattingProvider))))
   :mode
   ("\\.rs\\'" . rust-ts-mode))