minor: Update ide-assist docs for add_braces

crates/ide-assists/src/handlers/add_braces.rs

@@ -9,7 +9,7 @@ use crate::{AssistContext, AssistId, Assists};
 
 // Assist: add_braces
 //
-// Adds braces to closure bodies and match arm expressions.
+// Adds braces to closure bodies, match arm expressions and assignment bodies.
 //
 // ```
 // fn foo(n: i32) -> i32 {
@@ -30,6 +30,20 @@ use crate::{AssistContext, AssistId, Assists};
 //     }
 // }
 // ```
+// ---
+// ```
+// fn foo(n: i32) -> i32 {
+//     let x =$0 n + 2;
+// }
+// ```
+// ->
+// ```
+// fn foo(n: i32) -> i32 {
+//     let x = {
+//         n + 2
+//     };
+// }
+// ```
 pub(crate) fn add_braces(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> {
     let (expr_type, expr) = get_replacement_node(ctx)?;
 

crates/ide-assists/src/tests/generated.rs

@@ -27,6 +27,25 @@ fn foo(n: i32) -> i32 {
     )
 }
 
+#[test]
+fn doctest_add_braces_1() {
+    check_doc_test(
+        "add_braces",
+        r#####"
+fn foo(n: i32) -> i32 {
+    let x =$0 n + 2;
+}
+"#####,
+        r#####"
+fn foo(n: i32) -> i32 {
+    let x = {
+        n + 2
+    };
+}
+"#####,
+    )
+}
+
 #[test]
 fn doctest_add_explicit_enum_discriminant() {
     check_doc_test(