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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/doc/book/listings/ch13-functional-features/listing-13-12
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/doc/book/listings/ch13-functional-features/listing-13-12')
-rw-r--r--src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.lock6
-rw-r--r--src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.toml6
-rw-r--r--src/doc/book/listings/ch13-functional-features/listing-13-12/src/lib.rs16
3 files changed, 28 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.lock b/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.lock
new file mode 100644
index 000000000..e91eaa8d4
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "iterators"
+version = "0.1.0"
+
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.toml b/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.toml
new file mode 100644
index 000000000..2652a8a1a
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-12/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "iterators"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/src/doc/book/listings/ch13-functional-features/listing-13-12/src/lib.rs b/src/doc/book/listings/ch13-functional-features/listing-13-12/src/lib.rs
new file mode 100644
index 000000000..758284044
--- /dev/null
+++ b/src/doc/book/listings/ch13-functional-features/listing-13-12/src/lib.rs
@@ -0,0 +1,16 @@
+#[cfg(test)]
+mod tests {
+ // ANCHOR: here
+ #[test]
+ fn iterator_demonstration() {
+ let v1 = vec![1, 2, 3];
+
+ let mut v1_iter = v1.iter();
+
+ assert_eq!(v1_iter.next(), Some(&1));
+ assert_eq!(v1_iter.next(), Some(&2));
+ assert_eq!(v1_iter.next(), Some(&3));
+ assert_eq!(v1_iter.next(), None);
+ }
+ // ANCHOR_END: here
+}