From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../ch15-smart-pointers/listing-15-27/Cargo.lock   |  6 ++++++
 .../ch15-smart-pointers/listing-15-27/Cargo.toml   |  6 ++++++
 .../ch15-smart-pointers/listing-15-27/src/main.rs  | 24 ++++++++++++++++++++++
 3 files changed, 36 insertions(+)
 create mode 100644 src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.lock
 create mode 100644 src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.toml
 create mode 100644 src/doc/book/listings/ch15-smart-pointers/listing-15-27/src/main.rs

(limited to 'src/doc/book/listings/ch15-smart-pointers/listing-15-27')

diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.lock b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.lock
new file mode 100644
index 000000000..dd1f00a87
--- /dev/null
+++ b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "tree"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.toml b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.toml
new file mode 100644
index 000000000..0bbf897d0
--- /dev/null
+++ b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "tree"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch15-smart-pointers/listing-15-27/src/main.rs b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/src/main.rs
new file mode 100644
index 000000000..335d154dd
--- /dev/null
+++ b/src/doc/book/listings/ch15-smart-pointers/listing-15-27/src/main.rs
@@ -0,0 +1,24 @@
+// ANCHOR: here
+use std::cell::RefCell;
+use std::rc::Rc;
+
+#[derive(Debug)]
+struct Node {
+    value: i32,
+    children: RefCell<Vec<Rc<Node>>>,
+}
+// ANCHOR_END: here
+
+// ANCHOR: there
+fn main() {
+    let leaf = Rc::new(Node {
+        value: 3,
+        children: RefCell::new(vec![]),
+    });
+
+    let branch = Rc::new(Node {
+        value: 5,
+        children: RefCell::new(vec![Rc::clone(&leaf)]),
+    });
+}
+// ANCHOR_END: there
-- 
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