mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-15 01:17:16 +00:00
44 lines
2.4 KiB
Rust
44 lines
2.4 KiB
Rust
#![allow(clippy::useless_vec, clippy::needless_borrow)]
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#![warn(clippy::into_iter_on_ref)]
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struct X;
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use std::collections::*;
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fn main() {
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for _ in &[1, 2, 3] {}
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for _ in vec![X, X] {}
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for _ in &vec![X, X] {}
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let _ = vec![1, 2, 3].into_iter();
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let _ = (&vec![1, 2, 3]).iter(); //~ ERROR: equivalent to `.iter()
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let _ = vec![1, 2, 3].into_boxed_slice().iter(); //~ ERROR: equivalent to `.iter()
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let _ = std::rc::Rc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter()
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let _ = std::sync::Arc::from(&[X][..]).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&&&&&&&[1, 2, 3]).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&&&&mut &&&[1, 2, 3]).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut &mut &mut [1, 2, 3]).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&Some(4)).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut Some(5)).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&Ok::<_, i32>(6)).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut Err::<i32, _>(7)).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&Vec::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut Vec::<i32>::new()).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&BTreeMap::<i32, u64>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut BTreeMap::<i32, u64>::new()).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&VecDeque::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut VecDeque::<i32>::new()).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&LinkedList::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut LinkedList::<i32>::new()).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&HashMap::<i32, u64>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&mut HashMap::<i32, u64>::new()).iter_mut(); //~ ERROR: equivalent to `.iter_mut()
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let _ = (&BTreeSet::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&BinaryHeap::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&HashSet::<i32>::new()).iter(); //~ ERROR: equivalent to `.iter()
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let _ = std::path::Path::new("12/34").iter(); //~ ERROR: equivalent to `.iter()
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let _ = std::path::PathBuf::from("12/34").iter(); //~ ERROR: equivalent to `.iter()
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let _ = (&[1, 2, 3]).iter().next(); //~ ERROR: equivalent to `.iter()
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}
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