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

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

1 files changed, 31 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/iter_nth_zero.fixed b/src/tools/clippy/tests/ui/iter_nth_zero.fixed
new file mode 100644
index 000000000..f23671c26
--- /dev/null
+++ b/src/tools/clippy/tests/ui/iter_nth_zero.fixed
@@ -0,0 +1,31 @@
+// run-rustfix
+
+#![warn(clippy::iter_nth_zero)]
+use std::collections::HashSet;
+
+struct Foo;
+
+impl Foo {
+    fn nth(&self, index: usize) -> usize {
+        index + 1
+    }
+}
+
+fn main() {
+    let f = Foo {};
+    f.nth(0); // lint does not apply here
+
+    let mut s = HashSet::new();
+    s.insert(1);
+    let _x = s.iter().next();
+
+    let mut s2 = HashSet::new();
+    s2.insert(2);
+    let mut iter = s2.iter();
+    let _y = iter.next();
+
+    let mut s3 = HashSet::new();
+    s3.insert(3);
+    let mut iter2 = s3.iter();
+    let _unwrapped = iter2.next().unwrap();
+}