Merge pull request github#20286 from github/rust/fix-examples

Rust: Fix examples in qldoc

Author: paldepind

rust/ql/.generated.list

@@ -20,8 +20,8 @@ module Impl {
    * ```rust
    * let first = Foo { a: 1, b: 2 };
    * let second = Foo { a: 2, ..first };
-   * Foo { a: 1, b: 2 }[2] = 10;
-   * Foo { .. } = second;
+   * let n = Foo { a: 1, b: 2 }.b;
+   * Foo { a: m, .. } = second;
    * ```
    */
   class StructExpr extends Generated::StructExpr {