Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 50 insertions, 0 deletions

diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-08/.rustfmt.toml b/src/doc/book/listings/ch13-functional-features/listing-13-08/.rustfmt.toml
new file mode 100644
index 000000000..ee10c634b
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-08/.rustfmt.toml
@@ -0,0 +1,2 @@
+struct_lit_width = 50
+
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-08/Cargo.toml b/src/doc/book/listings/ch13-functional-features/listing-13-08/Cargo.toml
new file mode 100644
index 000000000..703c9d977
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-08/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "rectangles"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-08/output.txt b/src/doc/book/listings/ch13-functional-features/listing-13-08/output.txt
new file mode 100644
index 000000000..7a39ac618
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-08/output.txt
@@ -0,0 +1,18 @@
+$ cargo run
+   Compiling rectangles v0.1.0 (file:///projects/rectangles)
+error[E0507]: cannot move out of `value`, a captured variable in an `FnMut` closure
+  --> src/main.rs:18:30
+   |
+15 |       let value = String::from("by key called");
+   |           ----- captured outer variable
+16 | 
+17 |       list.sort_by_key(|r| {
+   |  ______________________-
+18 | |         sort_operations.push(value);
+   | |                              ^^^^^ move occurs because `value` has type `String`, which does not implement the `Copy` trait
+19 | |         r.width
+20 | |     });
+   | |_____- captured by this `FnMut` closure
+
+For more information about this error, try `rustc --explain E0507`.
+error: could not compile `rectangles` due to previous error
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-08/src/main.rs b/src/doc/book/listings/ch13-functional-features/listing-13-08/src/main.rs
new file mode 100644
index 000000000..3b9c9cbdf
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-08/src/main.rs
@@ -0,0 +1,22 @@
+#[derive(Debug)]
+struct Rectangle {
+    width: u32,
+    height: u32,
+}
+
+fn main() {
+    let mut list = [
+        Rectangle { width: 10, height: 1 },
+        Rectangle { width: 3, height: 5 },
+        Rectangle { width: 7, height: 12 },
+    ];
+
+    let mut sort_operations = vec![];
+    let value = String::from("by key called");
+
+    list.sort_by_key(|r| {
+        sort_operations.push(value);
+        r.width
+    });
+    println!("{:#?}", list);
+}