From 699cceadefdc18839cd16418684aaad7c5fca3c6 Mon Sep 17 00:00:00 2001
From: TalonsLee <xin.li@citrix.com>
Date: Thu, 12 Dec 2024 23:02:54 +0800
Subject: [PATCH] Set the correct element type in vector (#2500)

---
 src/smart-pointers/trait-objects.md | 56 ++++++++++++++---------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/src/smart-pointers/trait-objects.md b/src/smart-pointers/trait-objects.md
index 7f0e3f51..f66b27b6 100644
--- a/src/smart-pointers/trait-objects.md
+++ b/src/smart-pointers/trait-objects.md
@@ -48,34 +48,34 @@ Memory layout after allocating `pets`:
 
 ```bob
  Stack                             Heap
-.- - - - - - - - - - - - - -.     .- - - - - - - - - - - - - - - - - - - - - - -.
-:                           :     :                                             :
-:    "pets: Vec<dyn Pet>"   :     :   "data: Cat"         +----+----+----+----+ :
-:   +-----------+-------+   :     :  +-------+-------+    | F  | i  | d  | o  | :
-:   | ptr       |   o---+---+--.  :  | lives |     9 |    +----+----+----+----+ :
-:   | len       |     2 |   :  |  :  +-------+-------+      ^                   :
-:   | capacity  |     2 |   :  |  :       ^                 |                   :
-:   +-----------+-------+   :  |  :       |                 '-------.           :
-:                           :  |  :       |               data:"Dog"|           :
-:                           :  |  :       |              +-------+--|-------+   :
-`- - - - - - - - - - - - - -'  |  :   +---|-+-----+      | name  |  o, 4, 4 |   :
-                               `--+-->| o o | o o-|----->| age   |        5 |   :
-                                  :   +-|---+-|---+      +-------+----------+   :
-                                  :     |     |                                 :
-                                  `- - -| - - |- - - - - - - - - - - - - - - - -'
-                                        |     |
-                                        |     |                      "Program text"
-                                  .- - -| - - |- - - - - - - - - - - - - - - - -.
-                                  :     |     |       vtable                    :
-                                  :     |     |      +----------------------+   :
-                                  :     |     `----->| "<Dog as Pet>::talk" |   :
-                                  :     |            +----------------------+   :
-                                  :     |             vtable                    :
-                                  :     |            +----------------------+   :
-                                  :     '----------->| "<Cat as Pet>::talk" |   :
-                                  :                  +----------------------+   :
-                                  :                                             :
-                                  '- - - - - - - - - - - - - - - - - - - - - - -'
+.- - - - - - - - - - - - - - - -.     .- - - - - - - - - - - - - - - - - - - - - - -.
+:                               :     :                                             :
+:    "pets: Vec<Box<dyn Pet>>"  :     :   "data: Cat"         +----+----+----+----+ :
+:   +-----------+-------+       :     :  +-------+-------+    | F  | i  | d  | o  | :
+:   | ptr       |   o---+-------+--.  :  | lives |     9 |    +----+----+----+----+ :
+:   | len       |     2 |       :  |  :  +-------+-------+      ^                   :
+:   | capacity  |     2 |       :  |  :       ^                 |                   :
+:   +-----------+-------+       :  |  :       |                 '-------.           :
+:                               :  |  :       |               data:"Dog"|           :
+:                               :  |  :       |              +-------+--|-------+   :
+`- - - - - - - - - - - - - - - -'  |  :   +---|-+-----+      | name  |  o, 4, 4 |   :
+                                   `--+-->| o o | o o-|----->| age   |        5 |   :
+                                      :   +-|---+-|---+      +-------+----------+   :
+                                      :     |     |                                 :
+                                      `- - -| - - |- - - - - - - - - - - - - - - - -'
+                                            |     |
+                                            |     |                      "Program text"
+                                      .- - -| - - |- - - - - - - - - - - - - - - - -.
+                                      :     |     |       vtable                    :
+                                      :     |     |      +----------------------+   :
+                                      :     |     `----->| "<Dog as Pet>::talk" |   :
+                                      :     |            +----------------------+   :
+                                      :     |             vtable                    :
+                                      :     |            +----------------------+   :
+                                      :     '----------->| "<Cat as Pet>::talk" |   :
+                                      :                  +----------------------+   :
+                                      :                                             :
+                                      '- - - - - - - - - - - - - - - - - - - - - - -'
 ```
 
 <details>