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

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

3 files changed, 60 insertions, 0 deletions

diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.lock b/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.lock
new file mode 100644
index 000000000..0b15e2157
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "shoe_size"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.toml b/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.toml
new file mode 100644
index 000000000..cc803776b
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-16/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "shoe_size"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-16/src/lib.rs b/src/doc/book/listings/ch13-functional-features/listing-13-16/src/lib.rs
new file mode 100644
index 000000000..281c3c9e4
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-16/src/lib.rs
@@ -0,0 +1,48 @@
+#[derive(PartialEq, Debug)]
+struct Shoe {
+    size: u32,
+    style: String,
+}
+
+fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
+    shoes.into_iter().filter(|s| s.size == shoe_size).collect()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn filters_by_size() {
+        let shoes = vec![
+            Shoe {
+                size: 10,
+                style: String::from("sneaker"),
+            },
+            Shoe {
+                size: 13,
+                style: String::from("sandal"),
+            },
+            Shoe {
+                size: 10,
+                style: String::from("boot"),
+            },
+        ];
+
+        let in_my_size = shoes_in_size(shoes, 10);
+
+        assert_eq!(
+            in_my_size,
+            vec![
+                Shoe {
+                    size: 10,
+                    style: String::from("sneaker")
+                },
+                Shoe {
+                    size: 10,
+                    style: String::from("boot")
+                },
+            ]
+        );
+    }
+}