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Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/into_iter_on_ref.fixed | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/into_iter_on_ref.fixed b/src/tools/clippy/tests/ui/into_iter_on_ref.fixed new file mode 100644 index 000000000..b77f17944 --- /dev/null +++ b/src/tools/clippy/tests/ui/into_iter_on_ref.fixed @@ -0,0 +1,45 @@ +// run-rustfix +#![allow(clippy::useless_vec, clippy::needless_borrow)] +#![warn(clippy::into_iter_on_ref)] + +struct X; +use std::collections::*; + +fn main() { + for _ in &[1, 2, 3] {} + for _ in vec![X, X] {} + for _ in &vec![X, X] {} + + let _ = vec![1, 2, 3].into_iter(); + let _ = (&vec![1, 2, 3]).iter(); //~ WARN equivalent to .iter() + let _ = vec![1, 2, 3].into_boxed_slice().iter(); //~ WARN equivalent to .iter() + let _ = std::rc::Rc::from(&[X][..]).iter(); //~ WARN equivalent to .iter() + let _ = std::sync::Arc::from(&[X][..]).iter(); //~ WARN equivalent to .iter() + + let _ = (&&&&&&&[1, 2, 3]).iter(); //~ ERROR equivalent to .iter() + let _ = (&&&&mut &&&[1, 2, 3]).iter(); //~ ERROR equivalent to .iter() + let _ = (&mut &mut &mut [1, 2, 3]).iter_mut(); //~ ERROR equivalent to .iter_mut() + + let _ = (&Some(4)).iter(); //~ WARN equivalent to .iter() + let _ = (&mut Some(5)).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&Ok::<_, i32>(6)).iter(); //~ WARN equivalent to .iter() + let _ = (&mut Err::<i32, _>(7)).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&Vec::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&mut Vec::<i32>::new()).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&BTreeMap::<i32, u64>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&mut BTreeMap::<i32, u64>::new()).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&VecDeque::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&mut VecDeque::<i32>::new()).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&LinkedList::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&mut LinkedList::<i32>::new()).iter_mut(); //~ WARN equivalent to .iter_mut() + let _ = (&HashMap::<i32, u64>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&mut HashMap::<i32, u64>::new()).iter_mut(); //~ WARN equivalent to .iter_mut() + + let _ = (&BTreeSet::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&BinaryHeap::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = (&HashSet::<i32>::new()).iter(); //~ WARN equivalent to .iter() + let _ = std::path::Path::new("12/34").iter(); //~ WARN equivalent to .iter() + let _ = std::path::PathBuf::from("12/34").iter(); //~ ERROR equivalent to .iter() + + let _ = (&[1, 2, 3]).iter().next(); //~ WARN equivalent to .iter() +} |