From 8f4adb4f79c4276124a56a583834a20633204ba0 Mon Sep 17 00:00:00 2001
From: thomasjm <tom@codedown.io>
Date: Thu, 8 Oct 2026 23:03:14 -0700
Subject: [PATCH 1/2] Rust: add a setting for rust-analyzer's inferred-type
 hints, on by default

---
 .../kernels/rust/language_server_rust_analyzer/config.nix   | 2 +-
 modules/kernels/rust/module.nix                             | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/kernels/rust/language_server_rust_analyzer/config.nix b/modules/kernels/rust/language_server_rust_analyzer/config.nix
index 67f5727c..5b101e70 100644
--- a/modules/kernels/rust/language_server_rust_analyzer/config.nix
+++ b/modules/kernels/rust/language_server_rust_analyzer/config.nix
@@ -149,7 +149,7 @@ let
         "reborrowHints" = "never";
         "renderColons" = true;
         "typeHints" = {
-          "enable" = false;
+          "enable" = settings.typeHints;
           "hideClosureInitialization" = false;
           "hideNamedConstructor" = false;
         };
diff --git a/modules/kernels/rust/module.nix b/modules/kernels/rust/module.nix
index 0a691e71..6d66f5ce 100644
--- a/modules/kernels/rust/module.nix
+++ b/modules/kernels/rust/module.nix
@@ -73,6 +73,12 @@ in
         type = types.bool;
         default = true;
       };
+      lsp.rust-analyzer.typeHints = mkOption {
+        title = "Rust-analyzer: show inferred types inline";
+        description = "Draw the inferred type next to a `let` binding or a closure parameter. rust-analyzer ships this off and expects the editor to ask for it, which is why it produces no hints by default.";
+        type = types.bool;
+        default = true;
+      };
       lsp.rust-analyzer.debug = mkOption {
         title = "Rust-analyzer: debug output";
         type = types.bool;

From b32918a6d7c212040dbdb8b4a34fe720f2c72346 Mon Sep 17 00:00:00 2001
From: thomasjm <tom@codedown.io>
Date: Thu, 8 Oct 2026 23:03:14 -0700
Subject: [PATCH 2/2] Regenerate the options docs

---
 OPTIONS.md | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/OPTIONS.md b/OPTIONS.md
index 39fe7f13..c52abb84 100644
--- a/OPTIONS.md
+++ b/OPTIONS.md
@@ -2483,6 +2483,29 @@ false
 
 
 
+## kernels\.rust\.lsp\.rust-analyzer\.typeHints
+
+
+
+**Rust-analyzer: show inferred types inline**
+
+Draw the inferred type next to a ` let ` binding or a closure parameter\. rust-analyzer ships this off and expects the editor to ask for it, which is why it produces no hints by default\.
+
+
+
+*Type:*
+boolean
+
+
+
+*Default:*
+
+```nix
+true
+```
+
+
+
 ## kernels\.rust\.misc\.enableVariableInspector